Positive and Negative Numbers

By Erica Turner

Positive and Negative Numbers

Refresher by Erica Turner on Prezi Next

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Number Line aka Rational Number Line

The rational number line is used to represent positive numbers, negative numbers, and zero. The values to the left of zero on the number line are reflections of the values on the right across 0.

Opposites

The oppoisite of 5 is -5.

The opposite of -6 is 6.​

Absolute Value

Poll

The opposite of -0.9 is...

• 9.0

• 0.9

• -0.9

• -9.0

Multiple Choice

The opposite of $$1\frac{3}{4}$$   is...

• $$-1\frac{3}{4}$$  

• -2

• 1.75

• 2

Poll

What is the $$\left|-76\right|$$  ?

• 76

• 7.6

• 0.76

• -76

Multiple Choice

What is the $$\left|-45.62\right|$$  ?

• 0.4562

• 45.62

• 4,562

• -4,562