Download Negative Numbers

Negative Numbers

Integers: a whole number

Positive number: a number greater than zero

Negative number: a number less than zero

Less than < if a number is less than another it will sit to the left of the other
number on the number line

Greater than > if a number is greater than another it will sit to the right of the
other number on the number line
Addition and Subtraction of a Positive Integer

When you add a positive integer, move to the
right along the number line

When you subtract a positive integer, move to
the left along the number line
Addition and Subtraction of a Negative
Integer

Adding a negative integer to another integer
means you move to the left on the number line

Subtracting a negative integer to another integer
means you move to the right on the number line
Examples
4
+3=7
 2 – (-7) = 2 - - 7 = 2 + 7 = 9
- 3 + 1 = - 3 + 1 = - 2
 - 5 – (-8) = - 5 - - 8 = - 5 + 8 = 3
Multiplication and Division with Negative
Integers

The product of two positive numbers is positive

The product of a negative number and a positive number is
a negative number

The product of two negative numbers is a positive number

The quotient of two positive numbers is positive

The quotient of a negative number and a positive number is
a negative number

The quotient of two negative numbers is a positive number
Examples

-4 x 7 = -28

- 30 ÷ -5 = 6

- 54 ÷ 6 + 8 x – 9 ÷ - 4
= (- 54 ÷ 6) + (8 x – 9) ÷ - 4
= - 9 + - 72 ÷ -4
= - 9 + 18
=9