 ## MAFS.1.OA.4.8: Determine the unknown whole number in an addition or subtraction equation relating to 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 Curriculum Topics

## INSTRUCTIONAL RESOURCE: Tutorial: How to Create a Fact Family

INSTRUCTIONAL RESOURCE: Tutorial: How to Create a Fact Family

Learn how to create fact families in this tutorial. Addition Expressions and Equations, Subtraction Expressions and Equations

## INSTRUCTIONAL RESOURCE: Tutorial: Solving Addition and Subtraction Equations

INSTRUCTIONAL RESOURCE: Tutorial: Solving Addition and Subtraction Equations

Learn how to solve addition and subtraction equations using column addition and subtraction techniques. Addition Expressions and Equations, Subtraction Expressions and Equations

## INSTRUCTIONAL RESOURCE: Tutorial: Using Fact Families to Solve Equations

INSTRUCTIONAL RESOURCE: Tutorial: Using Fact Families to Solve Equations

Learn how to use fact families to generate and solve addition and subtraction equations. Addition Expressions and Equations, Subtraction Expressions and Equations

## Interactive Math Game: Fact Fam

Interactive Math Game: Fact Fam

In this game students analyze fact families with missing terms. They identify the missing term to complete the fact family. Addition Expressions and Equations, Subtraction Expressions and Equations

## Test Prep Interactive Quiz--Sums to 10

Test Prep Interactive Quiz--Sums to 10

This is part of a collection of self-scoring interactive math quizzes on a variety of topics. Addition Facts to 10

## Test Prep Interactive Quiz--Sums to 100

Test Prep Interactive Quiz--Sums to 100

This is part of a collection of self-scoring interactive math quizzes on a variety of topics. Addition Facts to 100

## Test Prep Interactive Quiz--Sums to 20

Test Prep Interactive Quiz--Sums to 20

This is part of a collection of self-scoring interactive math quizzes on a variety of topics. Addition Facts to 25

## Worksheet: Fact Families

Worksheet: Fact Families

Given a fact family, complete the equations. Addition Expressions and Equations, Subtraction Expressions and Equations

## Worksheet: Find the Missing Number, Worksheet 1

Worksheet: Find the Missing Number, Worksheet 1

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 10

Worksheet: Find the Missing Number, Worksheet 10

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 2

Worksheet: Find the Missing Number, Worksheet 2

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 3

Worksheet: Find the Missing Number, Worksheet 3

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 4

Worksheet: Find the Missing Number, Worksheet 4

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 5

Worksheet: Find the Missing Number, Worksheet 5

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 6

Worksheet: Find the Missing Number, Worksheet 6

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 7

Worksheet: Find the Missing Number, Worksheet 7

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 8

Worksheet: Find the Missing Number, Worksheet 8

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Find the Missing Number, Worksheet 9

Worksheet: Find the Missing Number, Worksheet 9

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations. Addition Facts to 25

## Worksheet: Solving Subtraction Equations Using Fact Families

Worksheet: Solving Subtraction Equations Using Fact Families

This is part of a collection of math worksheets on the topic of solving subtraction equations. Subtraction Expressions and Equations

## Worksheet: Solving Subtraction Equations, Worksheet 1

Worksheet: Solving Subtraction Equations, Worksheet 1

This is part of a collection of math worksheets on the topic of solving subtraction equations. Subtraction Facts to 25

## Worksheet: Solving Subtraction Equations, Worksheet 2

Worksheet: Solving Subtraction Equations, Worksheet 2

This is part of a collection of math worksheets on the topic of solving subtraction equations. Subtraction Facts to 25

## Worksheet: Solving Subtraction Equations, Worksheet 3

Worksheet: Solving Subtraction Equations, Worksheet 3

This is part of a collection of math worksheets on the topic of solving subtraction equations. Subtraction Facts to 25

## Worksheet: Solving Subtraction Equations, Worksheet 4

Worksheet: Solving Subtraction Equations, Worksheet 4

This is part of a collection of math worksheets on the topic of solving subtraction equations. Subtraction Facts to 25

## Worksheet: Solving Subtraction Equations, Worksheet 5

Worksheet: Solving Subtraction Equations, Worksheet 5

This is part of a collection of math worksheets on the topic of solving subtraction equations. Subtraction Facts to 25

## Worksheet: Solving Word Problems with Three Numbers, Worksheet 1

Worksheet: Solving Word Problems with Three Numbers, Worksheet 1

This is part of a collection of math worksheets on the topic of solving word problems. Addition Facts to 25