## 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 74 resources.
Title Description Thumbnail Image Curriculum Topics

## Math Games Collection: Jeopardy

Addition Facts to 25, Addition Facts to 100, Subtraction Facts to 100, Add and Subtract Fractions, Graphs of Linear Functions, Slope-Intercept Form, Graphs of Quadratic Functions and Numerical and Algebraic Expressions

## Math Worksheet Collection: The Language of Math

Place Value, Addition Facts to 25, Addition Facts to 100, Numerical and Algebraic Expressions, Numerical Expressions, Variable Expressions, Fractions and Mixed Numbers, Subtraction Facts to 25 and Subtraction Facts to 100

## 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.