Printable 1st Grade Math Worksheets, Study Guides and Vocabulary Sets
The big ideas in First Grade Math include understanding addition, subtraction, and strategies for addition and subtraction to 10, whole number relationships, place value and linear measurement, and reasoning about attributes of, and composing and decomposing geometric shapes.Create and Print your own Math Worksheets
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FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets: 11Study Guides: 1Vocabulary: 2An attribute describes an object.
You use attributes to describe two objects when they are not the same.
An attribute can tell you if an object is shorter, taller, longer or smaller than another object. Read more...iWorksheets: 15Study Guides: 1Vocabulary: 3What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets: 3Study Guides: 1Vocabulary: 1Money is what we use to buy the things we want or need. Pennies, nickels, dimes and quarters are all the forms of US money. Read more...iWorksheets: 4Study Guides: 1Vocabulary: 1What are the days of the week? There are seven days in a week. They are: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday. Saturday and Sunday are considered weekends. Monday through Friday are considered weekdays. Read more...iWorksheets: 3Study Guides: 1Vocabulary: 1What are fractions? When an object is broken into a number of parts, these parts must all be the same size. These equal parts can be counted to become a fraction of that object. Read more...iWorksheets: 7Study Guides: 1Vocabulary: 2When a number is greater than another number, it means that is is larger. > is the greater than symbol. < is the less than symbol. Read more...iWorksheets: 3Study Guides: 1Vocabulary: 1FreeWhat is measurement? Measurement is used in our everyday lives. We measure to cook or bake, and how far away a place is. There are metric measurements which include liters, centimeters, grams and kilograms. Read more...iWorksheets: 12Study Guides: 1Vocabulary: 2FreeThere are twelve months in one year. The months are always in the same order. Read more...iWorksheets: 4Study Guides: 1Vocabulary: 1All numbers are either odd or even. When a number is even, it can be split into two sets without any leftovers. When you split a number into two sets and there is one left over, that means the number is odd. Read more...iWorksheets: 3Study Guides: 1What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets: 3Study Guides: 1What is Ordering? Ordering is when numbers or objects are in a sequence. They may go from smallest to largest. They may go from largest to smallest. Read more...iWorksheets: 5Study Guides: 1An ordinal is an object’s position in the order of a group. An ordinal tells whether an object is first or fifth. Read more...iWorksheets: 3Study Guides: 1Vocabulary: 2What are Patterns? Patterns are all around us. We can see them in nature, clothing, words, and even floor tiles. Read more...iWorksheets: 16Study Guides: 1Vocabulary: 1What is place value? Place value is the amount that each digit is worth in a numeral. There are many different place values. Read more...iWorksheets: 3Study Guides: 1Vocabulary: 2What is Relative Position? Relative position describes where an object or person is compared to another object or person. The terms used in relative position are: below, up, next to, left, right, under, over, behind, on front of, far near, down. Read more...iWorksheets: 12Study Guides: 1Vocabulary: 2What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets: 4Study Guides: 1FreeA shape is the form something takes. Read more...iWorksheets: 12Study Guides: 1Vocabulary: 2What is Skip Counting? Skip counting means you do not say every number as you count. You only count special numbers. There are many different ways to skip count. E.g. when counting by twos, you only say every second number: 2 4 6 8 10. Read more...iWorksheets: 3Study Guides: 1Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets: 6Study Guides: 1Vocabulary: 1Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets: 5Study Guides: 1Vocabulary: 1What is Symmetry? Symmetry is when a shape or an object can be folded and both sides of the fold are the same size and shape. The fold line is called the line of symmetry. Not all shapes or objects have a line of symmetry. Read more...iWorksheets: 3Study Guides: 1Vocabulary: 1Time is measuring of how long it takes to do different activities like playing a game, doing your Math homework or riding your bike. A clock measures time. It helps us know the time. Time is measured in hours and minutes. Read more...iWorksheets: 10Study Guides: 1Vocabulary: 1Temperature is what we use to measure how hot or cold things are. A thermometer is used to measure temperature. Read more...iWorksheets: 3Study Guides: 1What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets: 4Study Guides: 1
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