Math 7 Unit 1 Review

Evaluate the following absolute value expression: 

• 3

• -3

• 0

What is the absolute value of 12?

• 12

• -12

• 1/12

Fill in the blank.

When adding integers with the same sign, you ______ them and keep the sign.

• add

• subtract

• multiply

Fill in the blank.

When adding integers with different signs, you ______ them and keep the sign of the bigger number.

• add

• subtract

• multiply

Fill in the blank.

To make subtracting integers easier, you can change all subtraction problems to _______ problems.

• word

• multiplication

• addition

8 + (-12) =

• -20

• 4

• -4

• 20

 Is -90 + (-5) positive or negative?

• Positive

• Negative

Which expression is equivalent to 2.2 - 2.5 ? 

• 2.5 - 2.2

• 2.2 + 2.5

• 2.2 + (-2.5)

• 2.2 - (-2.5)

The temperature in Minnesota was -8°F one day. On the same day, the temperature was 12° higher in Indiana. What was the temperature in Indiana that day? 

• 4

• -4

• 20

• -20

Which expression represents the number line?

• -6+4

• 4+(-6)

• -6+(-4)

• 4+6