# Subtracting Integers

More Options: Make a Folding Card

#### Storyboard Description

This storyboard does not have a description.

#### Storyboard Text

• As there are rules for addition, there﻿ are rules for subtraction! The most common rule is add a line and change the sign, or Keep, Change, Change. What you do is you keep your first number the same, you change the subtraction sign to an addition sign, and change the last number's value to the opposite value. With this information, what is the answer to this question?
• 25 - (-14) = x
• The answer is 39 because Keep Change Change makes the equation 25 + 14 = 39﻿
• (-5) - 12 = d
• ﻿Great job! The next equation is on the board. Who can answer it?
• The answer is -17 because Keep Change Change  causes the equation to be  (-5) + (-14) = -17﻿
• (-27) - (-43) = r
• ﻿Great job! The next equation is on the board. Who can answer it?
• The answer is 70 because Keep Change Change makes the equatiom (-27) + 43 = 16
More Storyboards By juliusperson101
Explore Our Articles and Examples

### Teacher Resources

Lesson Plans Worksheet Templates

### Film Resources

Film and Video Resources
Video Marketing