Unit 1 Review

Which of the following can be added to the number indicated on the number line above to sum to 0?

• -5/6
• 5/6
• 6/5
• -6/5

Use the properties of rational numbers to simplify the expression:
(22 - 16.13) - (123.4 + 2)

• 131.53
• -87.27
• 127.53
• -119.53

Convert the following fraction to a decimal.
-2/5

• 0.45
• 0.3
• -0.4
• -0.25

Find the sum:

• 14/9 = 1 and 5/9
• 10/12
• 5/6
• 16/9 = 1 and 7/9

What is the length of the red line segment on the number line?

• -3.25
• 3.75
• 3.25
• -3.75

Which of the following can be added to the number indicated on the number line above to sum to 0?

• -5.2
• 2.5
• 5.2
• -2.5

Use properties of rational number to simplify the expression.

• 1 and 2/5
• 1 and 13/15
• 7/10
• 14/15

Which list shows the integers in order from least to greatest?

• -5, -6, -7, 2, 3
• 2, 3, -5, -6, -7
• -7, -6, -5, 2, 3
• 3, 2, -7, -6, -5

Last winter, Tim recorded the temperature at 6:00 am each day for five days. Between which two days did the temperature drop the most?

• from Sunday to Monday
• from Monday to Tuesday
• from Tuesday to Wednesday
• from Wednesday to Thursday

Use properties of rational numbers to simplify the expression:
-24 - (42.05 + 16)

• 34.05
• -50
  -50.05
• -82.05
• 2.05