Mean and Absolute Value

John has saved money over the last 5 months. If he saved $4 in the first month, $8 in the second month, $12 in the third month, $16 in the fourth month, and $20 in the fifth month, what is the mean amount of money saved per month?

• 10

• 12

• 14

• 16

Find the absolute value of -15.

• -15

• 15

• 0

• -1

Calculate the mean of these numbers: 7, -2, 9, -4, 8.

Mathematical Equivalence

ON

Q1. What is the result of 19 - 11?

• 1)

  19

• A)

  11

• 2)

  -1

• 3)

  -19

Write the answer to the absolute value:

|100| =

Mathematical Equivalence

ON

• <

• >

• =

• None of the above.

The absolute value of 7 is 7 and -7
What numbers have the absolute value of 2/3

• 1/3 and 2/3

• 0, 2/3, and -2/3

• 2/3 and -2/3

• 3/2 and -2/3

A number's distance from 0 on the number line (always positive)

• Reciprocal

• Integer

• Opposite

• Absolute Value

Compare |−1.37| and |1.21|.

• |−1.37| ≤ |1.21|

• |−1.37| < |1.21|

• |−1.37| > |1.21|

• |−1.37| = |1.21|

What is the absolute value of |-26| ?

• 26

• -26

• -36

• 36