NYS

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 42 resources.
Description Thumbnail Image Curriculum Topics Description

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.

Worksheet: Solving Subtraction Equations, Worksheet 4 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.

Worksheet: Solving Subtraction Equations, Worksheet 5 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.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 1 Addition Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 10

Worksheet: Solving Word Problems with Three Numbers, Worksheet 10

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 10 Subtraction Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 2

Worksheet: Solving Word Problems with Three Numbers, Worksheet 2

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 2 Addition Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 3

Worksheet: Solving Word Problems with Three Numbers, Worksheet 3

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 3 Addition Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 4

Worksheet: Solving Word Problems with Three Numbers, Worksheet 4

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 4 Addition Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 5

Worksheet: Solving Word Problems with Three Numbers, Worksheet 5

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 5 Addition Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 6

Worksheet: Solving Word Problems with Three Numbers, Worksheet 6

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 6 Subtraction Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 7

Worksheet: Solving Word Problems with Three Numbers, Worksheet 7

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 7 Subtraction Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 8

Worksheet: Solving Word Problems with Three Numbers, Worksheet 8

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 8 Subtraction Facts to 25

Worksheet: Solving Word Problems with Three Numbers, Worksheet 9

Worksheet: Solving Word Problems with Three Numbers, Worksheet 9

This is part of a collection of math worksheets on the topic of solving word problems.

Worksheet: Solving Word Problems with Three Numbers, Worksheet 9 Subtraction Facts to 25

Worksheet: Using Subtraction to Solve, Worksheet 1

Worksheet: Using Subtraction to Solve, Worksheet 1

This is part of a collection of math worksheets on the topic of using subtraction to find a missing value.

Worksheet: Using Subtraction to Solve, Worksheet 1 Subtraction Facts to 25

Worksheet: Using Subtraction to Solve, Worksheet 2

Worksheet: Using Subtraction to Solve, Worksheet 2

This is part of a collection of math worksheets on the topic of using subtraction to find a missing value.

Worksheet: Using Subtraction to Solve, Worksheet 2 Subtraction Facts to 25

Worksheet: Using Subtraction to Solve, Worksheet 3

Worksheet: Using Subtraction to Solve, Worksheet 3

This is part of a collection of math worksheets on the topic of using subtraction to find a missing value.

Worksheet: Using Subtraction to Solve, Worksheet 3 Subtraction Facts to 25

Worksheet: Using Subtraction to Solve, Worksheet 4

Worksheet: Using Subtraction to Solve, Worksheet 4

This is part of a collection of math worksheets on the topic of using subtraction to find a missing value.

Worksheet: Using Subtraction to Solve, Worksheet 4 Subtraction Facts to 25

Worksheet: Using Subtraction to Solve, Worksheet 5

Worksheet: Using Subtraction to Solve, Worksheet 5

This is part of a collection of math worksheets on the topic of using subtraction to find a missing value.

Worksheet: Using Subtraction to Solve, Worksheet 5 Subtraction Facts to 25