These are the resources that support this Common Core Standard.
CCSS.MATH.CONTENT.1.OA.D.8: Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ - 3, 6 + 6 = _.
There are 39 resources.| Title | Description | Thumbnail Image |
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Interactive Math Game: Fact Fam |
DescriptionIn this game students analyze fact families with missing terms. They identify the missing term to complete the fact family. |
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Test Prep Interactive Quiz--Sums to 10 |
Practice addition with sums to 10. Problems included are: basic facts, missing addends, picture and word problems. Each quiz has 10 questions, each worth 10 points. Each question provides up to 5 tries. A bank of questions provides endless opportunities for practicing skills. Note: The download is the teacher's guide. |
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Test Prep Interactive Quiz--Sums to 100 |
Practice addition with sums to 100. Problems included are: basic facts, missing addends, picture and word problems. Each quiz has 10 questions, each worth 10 points. Each question provides up to 5 tries. A bank of questions provides endless opportunities for practicing skills. Note: The download is the teacher's guide. |
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Test Prep Interactive Quiz--Sums to 20 |
Practice addition with sums to 20. Problems included are: basic facts, missing addends, picture and word problems. Each quiz has 10 questions, each worth 10 points. Each question provides up to 5 tries. A bank of questions provides endless opportunities for practicing skills. Note: The download is the teacher's guide. |
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Tutorial: How to Create a Fact Family |
Learn how to create fact families in this tutorial. |
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Tutorial: Solving Addition and Subtraction Equations |
Learn how to solve addition and subtraction equations using column addition and subtraction techniques. |
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Tutorial: Using Fact Families to Solve Equations |
Learn how to use fact families to generate and solve addition and subtraction equations.
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Worksheet: Fact Families |
Given a fact family, complete the equations. Note: The download is a PDF version of this worksheet. Only Media4Math subscribers can download resources. |
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Worksheet: Find the Missing Number, Worksheet 1 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 10 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 2 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 3 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 4 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 5 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 6 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 7 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 8 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Find the Missing Number, Worksheet 9 |
Find the missing value from the addition equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2ZGlF6K |
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Worksheet: Solving Subtraction Equations Using Fact Families |
Solve subtraction equations using fact family strategies. Note: The download is a PDF version of this worksheet. Only Media4Math subscribers can download resources. |
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Worksheet: Solving Subtraction Equations, Worksheet 1 |
Solve the subtraction equation. Note: The download is a PDF file. Related ResourcesTo see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/3c9YmVN |
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