Adding Rational Numbers Review

• Rational

• Irrational

The number 0 would be what kind of rational number? (Natural, whole, integer)

What is Absolute Value?

• The distance from 0 to a number gives the absolute value of a number.

• Variable or a constant is any number.

• Distance from 0 and it will always be negative.

A diver was 40 feet below the surface of the water. A fisherman was casting off a dock right above the diver that was 12 feet above the surface of the water. How far apart are the diver and the fisherman?

• 28 feet
• -28 feet
• 52 feet
• -52 feet

Solve -9 + 5? 

• -4
• 4
• -14
• 14

Select all the true statements about the Additive Inverse.

• 6 is the additive inverse of 6

• -4 is the additive inverse of 4

• 781 is the additive inverse of -781

• -21 is the additive inverse of 22

• 1 is the additive inverse of 0

-14 + (-3)

• 11
• 17
• -17
• -11

34.5 + (-7)

• -41.5
• 41.5
• -27.5
• 27.5

A football team gained 9 yards on one play and then lost 22 yards on the next. How many yards do they have now?

• -14
• -12
• -13
• none

What is a rational number?

• Decimals that end

• Decimals that go on forever

• Fractions

• Negative Numbers

• Irrational Numbers