Numbers/Content/Using Numbers/Using Negative Numbers

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< Using Numbers

New Words

Lesson

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

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

Example Questions

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