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Investigation-Reasoning and Proof
Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.
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Fact Families PowerPoint
Using an attractive and easy to follow format, this presentation offers an overview of the concept of a fact family. The areas covered include addition, subtraction, multiplication and division. In addition, the slides show definitions...
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Missing Number
First graders examine how to use a symbol and shape variable to represent a missing value in a mathematical equation. They listen to the book "Fish Eyes" and "One Less Fish," and observe the teacher write an equation represented for each...
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Investigation - Snack TIme
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
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Adding Mixed Numbers
In this adding worksheet, students practice adding mixed numbers, with like denominators. They reduce their answers to lowest terms. There are examples and nine problems on this one-page worksheet. An answer key is included.
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Addition Worksheet #7
In this addition worksheet, students add three digit numbers to three digit numbers. All equations are written in columns. None of the combination of numbers are greater than 10, therefore, there is no "carrying" in this worksheet. ...
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Adding 0 and 1
In this adding worksheet, learners practice adding one-digit numbers. They add numbers in the zero and one fact family. There are 30 problems on this one-page worksheet. An answer key is included.
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Addition Properties
Student study addition properties. In this addition properties lesson, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition. Students...
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Adding Three Small Numbers
In this number sentence worksheet, 2nd graders complete 5 problems where they fill in the missing 3rd addend after being given 2 addends and a sum.Â
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Addition Sums less than 30 Addends 9 to 15
In this addition activity, students will solve twenty verticle addition problems where the sum is less than thirty and the addends are between nine and fifteen.
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Addition and Subtraction of Rational Expressions
In this rational expression worksheet, students add and subtract rational expressions. Students identify and use the LCM to simplify each expression. Twenty problems are provided on this one-page worksheet.
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Christmas Doubles Addition
In this Christmas addition worksheet, students use models to identify the sum. Pictures of numbers include reindeer, candy canes, stockings, and angels. All addition problems are doubles ranging from doubling one to doubling five. An...
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Christmas Picture Addition
In this Christmas addition activity, students find the total number of Christmas pictures presented in each equation. Pictures include trees, stockings, reindeer and angels. Numbers range in value from one to six. Seven problems are...
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Addition To Twenty
In this addition worksheet, students add one digit numbers written horizontally. There are 24 addition equations on this page. No answer is greater than 20. An answer sheet is provided.
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Apple Addition
In this addition learning exercise, students add simple one-digit numbers. They write their sum in the apple below the equation. Addition facts zero through eight are represented. Sums to extend to eighteen. Twenty-five problems are...
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Add The Shapes
For this shape worksheet, students add shapes and write the correct answer in the space provided. There are four problems to a page. Shapes are colorful and appear in different arrangements. An answer sheet is provided.
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Easter Addition (Sums to 100)
In this addition activity, students add integers and place the answer in the egg. All numbers are between 10 and 99. This one-page activity contains 25 problems. An answer sheet is included.
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Writing Addition Problems
In this addition problem worksheet, learners identify the numbers of models pictured as a problem. They rewrite the addition problem using numbers, and then give the answer. Students may count the pictures to discover the answer. ...
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Thanksgiving Addition
In this Thanksgiving worksheet, students observe pictures and the numbers listed below each picture. They find the sum to each addition problem. There are four addition problems on this one-page worksheet. An answer sheet is included.
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Easy Adding Worksheet
In this addition worksheet, learners practice adding one digit numbers. Numerals one through five are used in the equations. There are twelve problems on this worksheet.
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Out of Sight Missing Addends
Students explore solving missing addend problems. Using manipulatives, students solve addition problems. They create a picnic basket-shaped math journal and write a summary of their activities. Students write number sentence that match...
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Circle the Wagons a Number is Missing
Second graders have an opportunity to work in pairs as they search for the missing addend to complete a mathematical sentence. They identify and demonstrate the ability to change the order of the addends and still produce the same sum....
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Adding Integers
Students explore the concept of adding and subtracting integers. In this integer instructional activity, students use strips of paper (various sizes) to add and subtract integers. Students visualize the process of adding and subtracting...
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Missing Addend and Subtraction 1
In this mathematics worksheet, 4th graders write the numbers and x to each picture. Then they write a missing addend sentence and a subtraction sentence to solve each problem. Students also write a missing addend sentence with x and...