These are the resources that support this NYS Standard.
NY-1.OA.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.| Description | Thumbnail Image | Curriculum Topics | |
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Interactive Math Game: Fact Fam |
Identify the missing term in a fact family with this interactive game. |
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Addition Expressions and Equations, Subtraction Expressions and Equations |
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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Addition Facts to 10 |
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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Addition Facts to 100 |
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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Addition Facts to 25 |
Tutorial: How to Create a Fact Family |
Learn how to create fact families in this tutorial. |
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Addition Expressions and Equations, Subtraction Expressions and Equations |
Tutorial: Solving Addition and Subtraction Equations |
Learn how to solve addition and subtraction equations using column addition and subtraction techniques. |
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Addition Expressions and Equations, Subtraction Expressions and Equations |
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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Addition Expressions and Equations, Subtraction Expressions and Equations |
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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Addition Expressions and Equations, Subtraction Expressions and Equations |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Addition Facts to 25 |
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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Subtraction Expressions and Equations |
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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Subtraction Facts to 25 |
Worksheet: Solving Subtraction Equations, Worksheet 2 |
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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Subtraction Facts to 25 |
Worksheet: Solving Subtraction Equations, Worksheet 3 |
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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Subtraction Facts to 25 |
Worksheet: Solving Subtraction Equations, Worksheet 4 |
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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Subtraction Facts to 25 |
Worksheet: Solving Subtraction Equations, Worksheet 5 |
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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Subtraction Facts to 25 |
Worksheet: Solving Word Problems with Three Numbers, Worksheet 1 |
Students solve addition word problems to identify the missing number. 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/36B1Ijj |
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Addition Facts to 25 |