**Evaluate Open Sentences**Algebra is a study of the properties of operations on numbers. Algebra generalizes math by using symbols or letters to represent numbers. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 1**Mean**A mean of a group of numbers is the average of those numbers. Read more...iWorksheets: 3Study Guides: 1**Probability**Probability word problems worksheet. Probability is the chance of whether something will happen or not. If two things have an EQUAL chance of happening, they have the
SAME probability. If there are MORE chances of something happening (A) than something else (B), that means there is a HIGHER PROBABILITY of that something (A) happening. Read more...iWorksheets: 3Study Guides: 1**Add/Subtract Decimals**Addition and subtraction of decimals is like adding and subtracting whole numbers. The only thing we must remember is to line up the place values correctly. Read more...iWorksheets: 14Study Guides: 1Vocabulary Sets: 1**Percents**When there are one HUNDRED equal parts of something, you can find
a PERCENT. Read more...iWorksheets: 3Study Guides: 1**Perimeter**Perimeter is the distance around the outside of an object. Read more...iWorksheets: 5Study Guides: 1Vocabulary Sets: 1**Calendar**What Is Elapsed Time? Elapsed time is the amount of time from the start of an activity to the end of the activity. It tells how long an activity lasted. Elapsed time can be measured in seconds, minutes, hours, days or weeks. Read more...iWorksheets: 3Study Guides: 1**Coordinates**You can use a pair of numbers to describe the location of a
point on a grid. The numbers in the pair are called coordinates. Read more...iWorksheets: 3Study Guides: 1**Data Analysis**Analysis of data is a process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information. Read more...iWorksheets: 5Study Guides: 1Vocabulary Sets: 1**Measurement**FreeThere are two system of measurement for length that can be used. U.S customary System and Metric System. U.S. Customary System & Metric system. Read more...iWorksheets: 11Study Guides: 1Vocabulary Sets: 3**Money**FreeWhat Is Making Change? Making change means giving money back to someone after they
have made a purchase and paid more than they owed. This is done using banknotes and coins. You can subtract, add, multiply, and divide money when making change. Read more...iWorksheets: 7Study Guides: 1**Time**Calculate elapsed time in hours and half hours, not crossing AM/PM. Read more...iWorksheets: 9Study Guides: 1**Units of Measure**When you need to measure an object, you must decide if you are: Measuring
in length, weight, or capacity, choosing the unit that makes sense to measure the object, Measuring in the customary system or the metric system. Read more...iWorksheets: 3Study Guides: 1### MO.4.NBT. Number Sense and Operations in Base Ten

#### 4.NBT.A. Use place value understanding and properties of operations to perform multi-digit arithmetic with numbers up to one million.

##### 4.NBT.A.1. Round multi-digit whole numbers to any place.

**Estimation**When you make an estimate, you are making a guess that is approximate.
This is often done by rounding. Read more...iWorksheets :6Study Guides :1**Rounding**Rounding makes numbers that are easier to work with in your head. Rounded numbers are only approximate. Use rounding to get an answer that is close but that does not have to be exact. Read more...iWorksheets :3Study Guides :1**Estimation**FreeTo estimate means to make an educated guess based on what you already know. Read more...iWorksheets :4Study Guides :1**Rounding to Nearest 10**Rounding makes numbers easier to work with if you do not need an exact number. Rounded numbers are only approximate. You can use rounded numbers to get an answer that is close but does not have to be exact. Read more...iWorksheets :3Study Guides :1**Rounding Numbers**What Is Rounding? Rounding means reducing the digits in a number while trying to keep its value similar. How to Round: The number in the given place is increased by one if the digit to its right is 5 or greater. The number in the given place remains the same if the digit to its right is less than 5. Read more...iWorksheets :3Study Guides :1Vocabulary :1##### 4.NBT.A.2. Read, write and identify multi-digit whole numbers up to one million using number names, base ten numerals and expanded form.

**Place Value**What Is Place Value? In our decimal number system, the value of a digit depends on its place, or position, in the number. Beginning with the ones place at the right, each place value is multiplied by increasing powers of 10. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Expanding Numbers**What Are Expanding Numbers? An expanding number is taking a larger number apart and showing each number’s total value. Number 5398 in expanded form is 5000 + 300 + 90 + 8. Read more...iWorksheets :3Study Guides :1**Number Words and Place Value**When we write numbers, the position of each digit is important. Each position is 10 more than the one before it. So, 23 means “add 2*10 to 3*1″. In the number 467: the "7" is in the Ones position, meaning 7 ones, the "6" is in the Tens position meaning 6 tens, and the "4" is in the Hundreds position. Read more...iWorksheets :3Study Guides :1##### 4.NBT.A.3. Compare two multi-digit numbers using the symbols >, = or <, and justify the solution.

**Algebra**Comparing whole numbers, fractions, and decimals means looking at the values of two numbers and deciding if they are greater than, less than or equal to each other. Read more...iWorksheets :4Study Guides :1**Greater Than/Less Than**If a number is greater than another number that means it is higher
in value than the other number. If a number is less than another number that means it is lower in value than the other number. Read more...iWorksheets :4Study Guides :1**Ordering and Comparing Numbers**When you order numbers, you are putting the numbers in a sequence from the smallest value to the largest value. When you compare two numbers, you are finding which number is larger or smaller than the other. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Compare and Order Numbers**What is comparing and ordering numbers? Ordering numbers means listing numbers from least to greatest, or greatest to least. Comparing numbers means looking at the values of two numbers and deciding if the numbers are greater than, less than, or equal to each other. Read more...iWorksheets :4Study Guides :1**Greater Than/Less Than**What Is Greater Than and Less Than? When a number is greater than another number, this means it is a larger number. The symbol for greater than is >. When a number is less than another number, this means it is a smaller number. The symbol for less than is <. Read more...iWorksheets :6Study Guides :1##### 4.NBT.A.4. Understand that in a multi-digit whole number, a digit represents 10 times what it would represents in the place to its right.

**Place Value**Place value is the numerical value that a digit has by virtue of its position in a number. Read more...iWorksheets :6Study Guides :1**Estimation**When you make an estimate, you are making a guess that is approximate.
This is often done by rounding. Read more...iWorksheets :6Study Guides :1**Add/Subtract/Multiply/Divide Decimals**You add/subtract/multiply/divide decimals the same way you add/subtract/multiply/divide whole numbers BUT you also need to place the decimal in the correct spot. When multiplying decimals, the decimals may or may NOT be lined up in the multiplication problem. Read more...iWorksheets :10Study Guides :1Vocabulary :1**Ordering and Comparing Numbers**When you order numbers, you are putting the numbers in a sequence from the smallest value to the largest value. When you compare two numbers, you are finding which number is larger or smaller than the other. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Compare and Order Numbers**What is comparing and ordering numbers? Ordering numbers means listing numbers from least to greatest, or greatest to least. Comparing numbers means looking at the values of two numbers and deciding if the numbers are greater than, less than, or equal to each other. Read more...iWorksheets :4Study Guides :1**Rounding to Nearest 10**Rounding makes numbers easier to work with if you do not need an exact number. Rounded numbers are only approximate. You can use rounded numbers to get an answer that is close but does not have to be exact. Read more...iWorksheets :3Study Guides :1**Rounding Numbers**What Is Rounding? Rounding means reducing the digits in a number while trying to keep its value similar. How to Round: The number in the given place is increased by one if the digit to its right is 5 or greater. The number in the given place remains the same if the digit to its right is less than 5. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Place Value**What Is Place Value? In our decimal number system, the value of a digit depends on its place, or position, in the number. Beginning with the ones place at the right, each place value is multiplied by increasing powers of 10. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Greater Than/Less Than**What Is Greater Than and Less Than? When a number is greater than another number, this means it is a larger number. The symbol for greater than is >. When a number is less than another number, this means it is a smaller number. The symbol for less than is <. Read more...iWorksheets :6Study Guides :1**Expanding Numbers**What Are Expanding Numbers? An expanding number is taking a larger number apart and showing each number’s total value. Number 5398 in expanded form is 5000 + 300 + 90 + 8. Read more...iWorksheets :3Study Guides :1**Place Value**Place value is what each digit is worth. In the number 4,573 there are four thousands, five hundreds, seven tens, and three ones. How to Find the Place Value: In order to find the place value of a number, you can count the number of places from the right. The first number will be the ones place. The next number moving towards the left would be the tens place, and so on. Read more...iWorksheets :10Study Guides :1**Number Words and Place Value**When we write numbers, the position of each digit is important. Each position is 10 more than the one before it. So, 23 means “add 2*10 to 3*1″. In the number 467: the "7" is in the Ones position, meaning 7 ones, the "6" is in the Tens position meaning 6 tens, and the "4" is in the Hundreds position. Read more...iWorksheets :3Study Guides :1##### 4.NBT.A.5. Demonstrate fluency with addition and subtraction of whole numbers.

**3 Digit Addition**FreeAdding large numbers involves breaking the problem down into smaller addition facts. Read more...iWorksheets :4Study Guides :1**3 Digit Subtraction**What Is Three-Digit Subtraction? We subtract to compare numbers. We are able to find the difference between numbers through subtraction. We use subtraction to find out how much more we have or how much smaller something is in comparison to another number. Read more...iWorksheets :3Study Guides :1**Double Digit Subtraction**What Is Double Digit Subtraction? Double digit subtraction is taking a number with two digits (ex. 23) and subtracting it from another two digit number (ex. 33). The answer is known as the difference. Read more...iWorksheets :4Study Guides :1**Addition/Subtraction**Addition is combining two or more numbers. The term used for addition is plus. When two or more numbers are combined they form a new number called a sum. Subtraction is “taking away” one number from another. The term is minus. The number left after subtracting is called a difference. Read more...iWorksheets :10Study Guides :1**Double Digit Addition**What Is Double Digit Addition? Double digit addition is taking a two digit number (ex. 32) and adding it to another two digit number (ex. 27). The answer of these two addends is known as the sum. Read more...iWorksheets :4Study Guides :1**Regrouping**What Is Regrouping? Regrouping in addition is used when the sum of the ones place is larger than nine. The tens place of the sum is moved to the top of the tens place column to be added with the others. Read more...iWorksheets :3Study Guides :1**Word Problems**What Are Story Problems? Story problems are a bunch of sentences set up to give you
information in order to solve a problem. Story problems most often give you all the information needed to solve the problem. They may even include information you do not need at all. Read more...iWorksheets :8Study Guides :1##### 4.NBT.A.6. Multiply a whole number of up to four digits by a one-digit whole number and multiply two two-digit numbers, and justify the solution.

**Multiplication**Multiplication is one of the four elementary, mathematical operations of arithmetic. Read more...iWorksheets :7Study Guides :1Vocabulary :1**Odd/Even**A number can be identified as odd or even. Odd numbers can't be divided exactly by 2. Read more...iWorksheets :3Study Guides :1**Division**Divide three-digit numbers by one- and two-digit numbers. Read more...iWorksheets :6Study Guides :1Vocabulary :1**More Multiplication**Multiplication of two digits by two digits. What Is Multiplication? Multiplication is a short way of adding or counting. Multiplication is a faster way of adding. By multiplying numbers together, you are adding a series of one number to itself. Read more...iWorksheets :3Study Guides :1**Multiplication**What Is Multiplication? Multiplication is a short way of adding or counting. Multiplication is a faster way of adding by using strategies to
remember what different groups of each number equal. By multiplying numbers together, you are adding a series of one number to itself. The answer to a multiplication problem is called a product. Read more...iWorksheets :8Study Guides :1**Division/Multiplication**Understanding of models for multiplication, place value, and properties of operations (in particular, the distributive property). Read more...iWorksheets :9Study Guides :1**Multiplication**Multiplication is similar to adding a number to itself a certain number of times.
When multiplying an odd number with an odd number, the product is always an odd number. When multiplying an odd number with an even number or two even numbers, the product is always an even number. Read more...iWorksheets :19Study Guides :1##### 4.NBT.A.7. Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors, and justify the solution.

**Division**Divide three-digit numbers by one- and two-digit numbers. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Division**What Is Division? Division is splitting up numbers into equal parts. The process of finding out how many times one number will go into another number. Division is a series of repeated subtraction. The parts of a division problem include the divisor, dividend, quotient and remainder. Read more...iWorksheets :8Study Guides :1**Division/Multiplication**Understanding of models for multiplication, place value, and properties of operations (in particular, the distributive property). Read more...iWorksheets :9Study Guides :1**Division**What Is Division? Division is an operation that tells: how many equal sized groups, how many in each group. The number you divide by is called the DIVISOR. The number you are dividing is called the DIVIDEND. And the answer is called the QUOTIENT. Read more...iWorksheets :6Study Guides :1### MO.4.NF. Number Sense and Operations in Fractions

#### 4.NF.A. Extend understanding of fraction equivalence and ordering. (Limit denominators to 2, 3, 4, 5, 6, 8, 10, 12 and 100.)

##### 4.NF.A.1. Explain and/or illustrate why two fractions are equivalent.

**Fractions/Decimals**How to convert fractions to decimals: Divide the denominator (the bottom part) into the numerator (the top part). Read more...iWorksheets :3Study Guides :1**Fractions**The top number of a fraction is called the numerator. It shows how many pieces of a whole we are talking about. The bottom number is called the denominator. It shows how many pieces an object was divided into, or how many total pieces we have. Read more...iWorksheets :4Study Guides :1##### 4.NF.A.2. Recognize and generate equivalent fractions.

**Fractions/Decimals**How to convert fractions to decimals: Divide the denominator (the bottom part) into the numerator (the top part). Read more...iWorksheets :3Study Guides :1**Fractions**The top number of a fraction is called the numerator. It shows how many pieces of a whole we are talking about. The bottom number is called the denominator. It shows how many pieces an object was divided into, or how many total pieces we have. Read more...iWorksheets :4Study Guides :1##### 4.NF.A.3. Compare two fractions using the symbols >, = or <, and justify the solution.

**Compare and Order Fractions**When comparing two fractions that have a common denominator, you can looks at the numerators to decide which fraction is greater Read more...iWorksheets :4Study Guides :1Vocabulary :1**Ordering Fractions**A fraction consists of two numbers separated by a line - numerator and denominator. To order fractions with like numerators, look at the denominators and compare them two at a time. The fraction with the smaller denominator is the larger fraction. Read more...iWorksheets :3Study Guides :1**Fractions/Decimals**How to convert fractions to decimals: Divide the denominator (the bottom part) into the numerator (the top part). Read more...iWorksheets :3Study Guides :1**Comparing Fractions**When comparing fractions, you are finding which fraction is greater and which fractions is less than the other. Similar to comparing numbers, there are symbols to use when comparing fractions. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Equivalent Fractions to 1/2**Fractions that are equivalent to ½ are fractions that have different denominators than ½, but still show half. Fractions that are equivalent to ½ can be simplified to ½. Fractions equivalent to ½ have an even number as their denominator. Read more...iWorksheets :3Study Guides :1**Fractions**The top number of a fraction is called the numerator. It shows how many pieces of a whole we are talking about. The bottom number is called the denominator. It shows how many pieces an object was divided into, or how many total pieces we have. Read more...iWorksheets :4Study Guides :1#### 4.NF.B. Extend understanding of operations on whole numbers to fraction operations.

##### 4.NF.B.4. Understand addition and subtraction of fractions as joining/composing and separating/decomposing parts referring to the same whole.

**Add/Subtract Fractions**Freeis one of the four basic operations of arithmetic, with the others being subtraction, multiplication and division. The addition of two whole numbers is the total amount of those quantities combined. Read more...iWorksheets :3Study Guides :1**Subtracting Fractions**Fractions consist of two numbers. The top number is called the numerator. The bottom number is called the denominator. First, make sure the denominators are the same, then subtract the numerators. Read more...iWorksheets :3Study Guides :1**Number Line**A number line is a line that shows any group of numbers in their least to greatest value. Read more...iWorksheets :3Study Guides :1**Add/Subtract Fractions**What Is Addition and Subtraction of Fractions? Addition is combining two or more fractions. The term used for addition is plus. When two or more numbers, or addends, are combined they form a new number called a sum. Subtraction is “taking away” one fraction from another fraction. The term is minus. The number left after subtracting is called a difference. Read more...iWorksheets :4Study Guides :1**Adding Fractions**Fractions consist of two numbers. The top number is called the numerator.
The bottom number is called the denominator. To add two fractions with the same denominator: Add the numerators and place the sum over the common denominator. Read more...iWorksheets :3Study Guides :1##### 4.NF.B.6. Solve problems involving adding and subtracting fractions and mixed numbers with like denominators.

**Add/Subtract Fractions**Freeis one of the four basic operations of arithmetic, with the others being subtraction, multiplication and division. The addition of two whole numbers is the total amount of those quantities combined. Read more...iWorksheets :3Study Guides :1**Subtracting Fractions**Fractions consist of two numbers. The top number is called the numerator. The bottom number is called the denominator. First, make sure the denominators are the same, then subtract the numerators. Read more...iWorksheets :3Study Guides :1**Number Line**A number line is a line that shows any group of numbers in their least to greatest value. Read more...iWorksheets :3Study Guides :1**Add/Subtract Fractions**What Is Addition and Subtraction of Fractions? Addition is combining two or more fractions. The term used for addition is plus. When two or more numbers, or addends, are combined they form a new number called a sum. Subtraction is “taking away” one fraction from another fraction. The term is minus. The number left after subtracting is called a difference. Read more...iWorksheets :4Study Guides :1**Adding Fractions**Fractions consist of two numbers. The top number is called the numerator.
The bottom number is called the denominator. To add two fractions with the same denominator: Add the numerators and place the sum over the common denominator. Read more...iWorksheets :3Study Guides :1#### 4.NF.C. Understand decimal notation for fractions, and compare decimal fractions. (Denominators of 10 or 100)

##### 4.NF.C.9. Use decimal notation for fractions with denominators of 10 or 100.

**Decimals/Fractions**Express decimals as an equivalent form of fractions to tenths and hundredths. Read more...iWorksheets :5Study Guides :1Vocabulary :1##### 4.NF.C.10. Understand that fractions and decimals are equivalent representations of the same quantity.

**Percents**A percentage is a number or ratio expressed as a fraction of 100. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Decimals/Fractions**Express decimals as an equivalent form of fractions to tenths and hundredths. Read more...iWorksheets :5Study Guides :1Vocabulary :1##### 4.NF.C.11. Read, write and identify decimals to the hundredths place using number names, base ten numerals and expanded form.

**Ordering Decimals**When putting decimals in order from least to greatest, we must look at
the highest place value first. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Decimals**READING, WRITING, COMPARING, AND ORDERING DECIMALS Read more...iWorksheets :5Study Guides :1Vocabulary :1**Add/Subtract/Multiply/Divide Decimals**You add/subtract/multiply/divide decimals the same way you add/subtract/multiply/divide whole numbers BUT you also need to place the decimal in the correct spot. When multiplying decimals, the decimals may or may NOT be lined up in the multiplication problem. Read more...iWorksheets :10Study Guides :1Vocabulary :1##### 4.NF.C.12. Compare two decimals to the hundredths place using the symbols >, = or <, and justify the solution.

**Ordering Decimals**When putting decimals in order from least to greatest, we must look at
the highest place value first. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Fractions/Decimals**How to convert fractions to decimals: Divide the denominator (the bottom part) into the numerator (the top part). Read more...iWorksheets :3Study Guides :1### MO.4.RA. Relationships and Algebraic Thinking

#### 4.RA.A. Use the four operations with whole numbers to solve problems.

##### 4.RA.A.1. Multiply or divide to solve problems involving a multiplicative comparison.

**Problem Solving**What Is Problem Solving? Problem solving is finding an answer to a question. How to Problem Solve: Read the problem carefully. Decide on an operation to use to solve the problem. Solve the problem. Check your work and make sure that your answer makes sense. Read more...iWorksheets :4Study Guides :1##### 4.RA.A.2. Solve multi-step whole number problems involving the four operations and variables and using estimation to interpret the reasonableness of the answer.

**Problem Solving**What Is Problem Solving? Problem solving is finding an answer to a question. How to Problem Solve: Read the problem carefully. Decide on an operation to use to solve the problem. Solve the problem. Check your work and make sure that your answer makes sense. Read more...iWorksheets :4Study Guides :1**Word Problems**What Are Story Problems? Story problems are a bunch of sentences set up to give you
information in order to solve a problem. Story problems most often give you all the information needed to solve the problem. They may even include information you do not need at all. Read more...iWorksheets :8Study Guides :1##### 4.RA.A.3. Solve whole number division problems involving variables in which remainders need to be interpreted, and justify the solution.

**Problem Solving**What Is Problem Solving? Problem solving is finding an answer to a question. How to Problem Solve: Read the problem carefully. Decide on an operation to use to solve the problem. Solve the problem. Check your work and make sure that your answer makes sense. Read more...iWorksheets :4Study Guides :1#### 4.RA.B. Work with factors and multiples.

##### 4.RA.B.5. Determine if a whole number within 100 is composite or prime, and find all factor pairs for whole numbers within 100.

**Common Factors**Factors are two numbers multiplied together to get a product (an answer to a multiplication problem) Read more...iWorksheets :6Study Guides :1Vocabulary :1#### 4.RA.C. Generate and analyze patterns.

##### 4.RA.C.6. Generate a number pattern that follows a given rule.

**Patterns**A pattern is an order of things repeated over and over. Read more...iWorksheets :6Study Guides :1**Patterns**A pattern is a recognizable, consistent series of numbers, shapes, or
images. Read more...iWorksheets :4Study Guides :1##### 4.RA.C.7. Use words or mathematical symbols to express a rule for a given pattern.

**Patterns**A pattern is an order of things repeated over and over. Read more...iWorksheets :6Study Guides :1**Patterns**A pattern is a recognizable, consistent series of numbers, shapes, or
images. Read more...iWorksheets :4Study Guides :1### MO.4.GM. Geometry and Measurement

#### 4.GM.A. Classify 2-dimensional shapes by properties of their lines and angles.

##### 4.GM.A.1. Draw and identify points, lines, line segments, rays, angles, perpendicular lines and parallel lines.

**Lines and Angles**Acute angle: An angle whose measure is less than 90; Right angle: An angle that measures 90; Obtuse angle: An angle whose measure is more than 90 and less than 180; Straight angle: An angle that measures 180; Reflex angle: An angle whose measure is more than 180 and less than 360. There are 3 sets of lines: Intersecting, Perpendicular and Parallel. Read more...iWorksheets :12Study Guides :2Vocabulary :2**Angles**A right angle is an angle that measures 90°. A straight angle is an angle that measures 180°. An obtuse angle is an angle that measures more than 90°. An acute angle is an angle that measures less than 90°. Read more...iWorksheets :10Study Guides :1##### 4.GM.A.2. Classify two-dimensional shapes by their sides and/or angles.

**Shapes**We are surrounded by many different kinds of shapes every day. Many shapes are flat. These shapes are two-dimensional plane figures. Read more...iWorksheets :10Study Guides :1**Shapes**FreeA shape is the external contour or outline of someone of something Read more...iWorksheets :11Study Guides :1Vocabulary :3**Polygon Characteristics**A polygon is a plane figure with at least three straight sides and angles, and typically five or more. Read more...iWorksheets :8Study Guides :1Vocabulary :1**Congruent Shapes**FreeCongruent shapes are shapes that are the exact same shape and size. Congruent shapes can be rotated or reflected. When 2 shapes are congruent, they have the exact same size and shape. Read more...iWorksheets :4Study Guides :1Vocabulary :1##### 4.GM.A.3. Construct lines of symmetry for a two-dimensional figure.

**Symmetry**Symmetry is an exact matching of two parts along a fold line. Read more...iWorksheets :4Study Guides :1#### 4.GM.B. Understand the concepts of angle and measure angles.

##### 4.GM.B.4. Identify and estimate angles and their measure.

**Lines and Angles**Acute angle: An angle whose measure is less than 90; Right angle: An angle that measures 90; Obtuse angle: An angle whose measure is more than 90 and less than 180; Straight angle: An angle that measures 180; Reflex angle: An angle whose measure is more than 180 and less than 360. There are 3 sets of lines: Intersecting, Perpendicular and Parallel. Read more...iWorksheets :12Study Guides :2Vocabulary :2**Angles**A right angle is an angle that measures 90°. A straight angle is an angle that measures 180°. An obtuse angle is an angle that measures more than 90°. An acute angle is an angle that measures less than 90°. Read more...iWorksheets :10Study Guides :1##### 4.GM.B.5. Draw and measure angles in whole-number degrees using a protractor.

**Lines and Angles**Acute angle: An angle whose measure is less than 90; Right angle: An angle that measures 90; Obtuse angle: An angle whose measure is more than 90 and less than 180; Straight angle: An angle that measures 180; Reflex angle: An angle whose measure is more than 180 and less than 360. There are 3 sets of lines: Intersecting, Perpendicular and Parallel. Read more...iWorksheets :12Study Guides :2Vocabulary :2**Angles**A right angle is an angle that measures 90°. A straight angle is an angle that measures 180°. An obtuse angle is an angle that measures more than 90°. An acute angle is an angle that measures less than 90°. Read more...iWorksheets :10Study Guides :1#### 4.GM.C. Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit.

##### 4.GM.C.8. Apply the area and perimeter formulas for rectangles to solve problems.

**Area**Area is the number of square units needed to cover a flat surface. Read more...iWorksheets :3Study Guides :1**Area and Perimeter**The area of a figure is the space inside the figure. The perimeter of a polygon is the distance around it. The perimeter is the sum of the lengths of ALL the sides. Read more...iWorksheets :7Study Guides :1### MO.4.DS. Data and Statistics

#### 4.DS.A. Represent and analyze data.

##### 4.DS.A.2. Solve problems involving addition and subtraction by using information presented in a data display.

**Statistics**The statistical mode is the number that occurs most frequently in a set of
numbers. Read more...iWorksheets :3Study Guides :1**Graphs and Tables**Using tables and graphs is a way people can interpret data. Data means information. So interpreting data just means working out what information is telling you. Information is sometimes shown in tables, charts and graphs to make the information easier to read. Read more...iWorksheets :3Study Guides :1**Graphs and Charts**What Are Graphs? A way to show information in the form of shapes or pictures. Graphs show the relationship between two sets of information. There are many different types of graphs. A few of them include bar graphs, line graphs, pictographs, and circle graphs. Read more...iWorksheets :7Study Guides :1Vocabulary :1**Tables and Graphs**What Are Bar, Circle, and Line Graphs? Bar Graphs are used to compare data. A bar graph is used to show relationships between groups. Circle Graphs are also known as Pie graphs or charts. They consist of a circle divided into parts. Line Graphs show gradual changes in data. Read more...iWorksheets :9Study Guides :1**Data Analysis**Collecting Data. Data = information. You can collect data from other people using polls and surveys. Recording Data. You can record the numerical data you collected on a chart or graph: bar graphs, pictographs, line graphs, pie charts, column charts. Read more...iWorksheets :6Study Guides :1##### 4.DS.A.3. Analyze the data in a frequency table, line plot, bar graph or picture graph.

**Graphs and Charts**What Are Graphs? A way to show information in the form of shapes or pictures. Graphs show the relationship between two sets of information. There are many different types of graphs. A few of them include bar graphs, line graphs, pictographs, and circle graphs. Read more...iWorksheets :7Study Guides :1Vocabulary :1**Tables and Graphs**What Are Bar, Circle, and Line Graphs? Bar Graphs are used to compare data. A bar graph is used to show relationships between groups. Circle Graphs are also known as Pie graphs or charts. They consist of a circle divided into parts. Line Graphs show gradual changes in data. Read more...iWorksheets :9Study Guides :1 Standards

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