# Subtraction Action

## Subtraction Action - Subtraction Math Game

Content Skill: Subtraction
Common Core State Standards: CCSS.Math.Content.2.OA.B.2 - Fluently subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

## Description

Ready for a subtraction challenge? Here's Subtraction Action! In this game, you will learn to subtract in a whole new way. Find all the numbers that would equal a given number when subtracted from fifty. Try it out!

## Instructions

Step 1
Start the game by hitting the "CLICK TO PLAY" button.

Step 2
Welcome to the action! On the bottom of the screen is a subtraction problem that you need to fill in. Select numbers from the number grid that will equal the second number in the problem when subtracted from 50.

Step 3
In this picture, you're trying to get numbers that equal 37 when subtracted from 50. So far three and nine have been selected, which equals 41. You would have to select four to equal 37. The goal is to use up all of the numbers in the grid!

Step 4
If you run out of time, the game will end. Use all of the numbers to get to the next level. Have fun!