Subtracting and Adding Integers

Subtracting Integers

By Jayden Rodriguez

What is a Subtracting Integer?

Lets find out!

What is subtraction?

Subtraction is the same as adding the opposites

What to YOU know about Subtracting Integers

Tell me!

A Trick: Keep, Change, Change

• Keep the first number the same

•Change the operation to addition

•Change the second number to the opposite.

Multiple Select

What expression below is the same as 5 - 4?

• 5+4

• 5+(4)

• -5+4

• -5+-4

Multiple Select

What expression below is the same as -3 - 7?

• -3 - (-7)

• -3+7

• -3+(7)

• (-3)+7

Multiple Select

What expression below is the same as 9 - (-6)?

• 9+6

• 9-6

• -9+6

• 9+-6

Now that we know

Keep, Change, Change

Follow the rules for Adding Integers.

What do you know about Adding Integers

Tell me!

Check For Understanding

On the next 3 slides, solve the problem and choose the correct answer!

Multiple Select

5 - 4 =

• 1

• 8

• 9

• 2

Multiple Select

-3-7

• -10

• 10

• -4

• 4

Multiple Select

9 - (-6)

• 3

• 14

• 15

• -14

Lets Practice More

Some more practice problems!

Poll

On a scale of 1-5, how would you rate your understanding of subtracting integers?

• I am very confused with the rule for subtracting and adding integers and can't do it on my own YET!

• I am not as confused but I still can't do this on my own without help.

• I'm getting the hang of it and I sometimes need people to help me with subtracting and adding Integers

• I really get the hang of it that I don't need ANYBODIES help.

• I am a pro and I can help teach OTHERS how to add and subtract Integers