Numbers/Content/Using Numbers/Using Negative Numbers

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< Using Numbers

Contents

[change] New Words

[change] Lesson

[change] Adding and Subtracting

PlusCircle.svg ~ a positive number

SmallMinusCircle.svg ~ a negative number

Adding Rules
Subtracting Rules

Adding a negative number is the same as subtracting a positive number.

7 + − 4 = 7 − 4

Subtracting a negative number is the same as adding a positive number.

7 − − 4 = 7 + 4

[change] Multiplying and Dividing

Multiplying a negative number by a positive number, or a positive number by a negative number makes the answer negative.

− 2 * 3 = − 6
2 * − 3 = − 6

Multiplying a negative number by a negative number makes the answer positive.

− 2 * − 3 = 6

Do the same for dividing.

− 6 ÷ 3 = − 2
6 ÷ − 3 = − 2
− 6 ÷ − 3 = 2

[change] Example Questions

[change] More Questions

[change] Links