Week One Summer School

What is K.C.C used for?

• To change subtraction questions back to addition

• To change addition questions to subtraction

• To multiply integers

• To divide integers

1. When adding integers, what are the rules if the signs are the same?

• Subtract, that's all

• Subtract and take the sign of the bigger number

• Add, that's all

• Add and keep the sign they both have

1. When adding integers, what are the rules if the signs are different?

• Subtract and take the sign of the bigger number

• Add and make it negative

• Subtract and make it negative

• Add and make it positive

1. When you divide or multiply with integers, how do you know your answer is negative or positive?

• Same signs means positive. Different signs means negative

• Take the sign of the bigger number

Solve:  6 + -8 =

• 2

• -2

• 14

• -14

-243 + -5 = ______

-20 - 10 = ____

20 x -4 = _____

-100 - -20= _____

• 20

• 5

• -5

• -20