# 4th Grade Math Worksheets, Study Guides and Vocabulary Sets

The big ideas in **Fourth Grade Math** include developing understanding with multi-digit multiplication and division, understanding fraction equivalence, adding and subtracting fractions with like denominators, and multiplication of fractions and whole numbers, and analyzing geometric figures based on their properties.

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with Math Worksheet Generator### 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 Using the Commutative Property in addition means that the order of
addends does not matter; the sum will remain the same. Read more...iWorksheets: 3Study Guides: 1 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: 1 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 A mean of a group of numbers is the average of those numbers. Read more...iWorksheets: 3Study Guides: 1 Some word problems require more than one step to solve. These are called multi-step word problems. Read more...iWorksheets: 4Study Guides: 1 A number line is a line that shows any group of numbers in their least to greatest value. Read more...iWorksheets: 3Study Guides: 1 A fraction is a part of a whole of something. Read more...iWorksheets: 3Study Guides: 1 A pattern is a recognizable, consistent series of numbers, shapes, or
images. Read more...iWorksheets: 4Study Guides: 1 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 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: 7Study Guides: 1 ### Fractions & 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: 1 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: 5Study Guides: 1 READING, WRITING, COMPARING, AND ORDERING DECIMALS Read more...iWorksheets: 5Study Guides: 1Vocabulary: 1 Express decimals as an equivalent form of fractions to tenths and hundredths. Read more...iWorksheets: 8Study Guides: 1Vocabulary: 1 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 When there are one HUNDRED equal parts of something, you can find
a PERCENT. Read more...iWorksheets: 3Study Guides: 1 ### Geometry

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: 13Study Guides: 2Vocabulary: 2 Perimeter is the distance around the outside of an object. Read more...iWorksheets: 9Study Guides: 1Vocabulary: 1 FreeA shape is the external contour or outline of someone of something Read more...iWorksheets: 11Study Guides: 1Vocabulary: 3 ### Measurement & Data

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 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 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 Analysis of data is a process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information. Read more...iWorksheets: 6Study Guides: 1Vocabulary: 1 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: 13Study Guides: 1Vocabulary: 3 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: 8Study Guides: 1 You can represent data by bar graphs, pictographs and tables. Read more...iWorksheets: 7Study Guides: 1 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: 10Study Guides: 1 Calculate elapsed time in hours and half hours, not crossing AM/PM. Read more...iWorksheets: 10Study Guides: 1 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 ### Number & Operations

FreeAdding four digit numbers. Read more...iWorksheets: 3Study Guides: 1 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: 13Study Guides: 1 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: 6Study Guides: 1 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: 11Study Guides: 1 Understanding of models for multiplication, place value, and properties of operations (in particular, the distributive property). Read more...iWorksheets: 10Study Guides: 1 FreeTo estimate means to make an educated guess based on what you already know. Read more...iWorksheets: 4Study Guides: 1 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: 4Study Guides: 1 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: 13Study Guides: 1 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 A number can be identified as odd or even. Odd numbers can't be divided exactly by 2. Read more...iWorksheets: 3Study Guides: 1 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 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: 5Study Guides: 1Vocabulary: 1 Multiply and divide, writing number sentences. Read more...iWorksheets: 4Study Guides: 1 Standards

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