## MAFS.1.OA.2.4: Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.

There are 71 resources.
Title Description Thumbnail Image Curriculum Topics

## Interactive Math Game--Arithmetic Jeopardy: Sums to 20

Interactive Math Game--Arithmetic Jeopardy: Sums to 20

Use this Jeopardy-style math game to review sums to 20. This Jeopardy game has a bank of hundreds of questions for thousands of unique game experiences.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 01

Worksheet: Missing Addends in the Range from 0 to 10, Set 01

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 02

Worksheet: Missing Addends in the Range from 0 to 10, Set 02

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 03

Worksheet: Missing Addends in the Range from 0 to 10, Set 03

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 04

Worksheet: Missing Addends in the Range from 0 to 10, Set 04

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 05

Worksheet: Missing Addends in the Range from 0 to 10, Set 05

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 06

Worksheet: Missing Addends in the Range from 0 to 10, Set 06

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 07

Worksheet: Missing Addends in the Range from 0 to 10, Set 07

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 08

Worksheet: Missing Addends in the Range from 0 to 10, Set 08

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 09

Worksheet: Missing Addends in the Range from 0 to 10, Set 09

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 10

Worksheet: Missing Addends in the Range from 0 to 10, Set 10

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 11

Worksheet: Missing Addends in the Range from 0 to 10, Set 11

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 12

Worksheet: Missing Addends in the Range from 0 to 10, Set 12

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 13

Worksheet: Missing Addends in the Range from 0 to 10, Set 13

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 14

Worksheet: Missing Addends in the Range from 0 to 10, Set 14

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 15

Worksheet: Missing Addends in the Range from 0 to 10, Set 15

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 16

Worksheet: Missing Addends in the Range from 0 to 10, Set 16

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 17

Worksheet: Missing Addends in the Range from 0 to 10, Set 17

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 18

Worksheet: Missing Addends in the Range from 0 to 10, Set 18

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 19

Worksheet: Missing Addends in the Range from 0 to 10, Set 19

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 10, Set 20

Worksheet: Missing Addends in the Range from 0 to 10, Set 20

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 20, Set 01

Worksheet: Missing Addends in the Range from 0 to 20, Set 01

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 20, Set 02

Worksheet: Missing Addends in the Range from 0 to 20, Set 02

This is part of a collection of math worksheets on the topic of missing addends.

## Worksheet: Missing Addends in the Range from 0 to 20, Set 03

Worksheet: Missing Addends in the Range from 0 to 20, Set 03

This is part of a collection of math worksheets on the topic of missing addends.