# School Integer Fun!

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#### Storyboard Description

Learn how to solve equations adding integers using 2 positives in one equation, 2 negatives in one equation, and 1 positive and 1 negative in one equation.

#### Storyboard Text

• ﻿﻿﻿What is an integer?
• An integer is a whole number ﻿that can be negative, positive, or zero. An integer can not be a fraction or a decimal.
• Adding positive integers to positive integers is pretty simple﻿, so thinking on a number line, if you have a positive number such as 2, in order to add another number such as 3, you must move your number on the number line 3 spaces to the right
• ﻿Today is Integer Fun week!
• In order to add to a negative integer you must work the equation from left to right. For example if your equation was -3+2 on the number line you would start 3 spaces to the left of zero, -3. When you add on a number line you move spaces to the right, so you would move 2 spaces to the right from -3, which results in -1.
• How to add to a negative integer
• Then how would you solve an equation with two integers, like -2-3?
• ﻿I know!
• On a number line ﻿-2 would be two spaces to the left of zero. Then because you need to subtract again you would move three spaces to the left on the number line, resulting in -5
• ﻿﻿For example, -2-3: Step 1: ignore the negative signs and add like positive, 5. Step 2: Put a negative sign in front of your positive number, -5. Final result:-2﻿
• ﻿So, a trick to use is to add the two digits as if they were positive. Next you put a negative in front of your answer like it is a positive.
• ﻿Today I learned how to solve equations with two positives, equations with two negatives, and equations with a negative and a positive
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