7th grade Unit 2 review

What is the sum of -26 and -37?

In the middle of a game, Dawn has a score of -17. At the end of the game, Dawn’s

score increases by 21. What is Dawn’s score at the end of the game?

The bottom of a pond is -12.6 ft from the surface of the pond. Brendan is on a

patio that is 2.7 ft above the pond. How many feet apart are Brendan and the

bottom of the pond?

What is -9+9?

The sum of -21.8 and a number is positive. Select three options that could be possible solutions.

• 22

• 100

• -20

• 1000

• 20

what is -10 + 12?

does -3.6 - (-4) have the same result as -3.6 + 4?

• yes

• no

Which value of x makes the following statement true?

1.9 -x = a negative number

• x = 2.1

• x = 0.9

• x = 1.9

• x = -1.9

An anchor 15 3/5 m below the surface of the ocean is lowered 4 1/5 m. Then it is

pulled up 12 3/5 m. What is the anchor’s new position?

• 7 1/5 m below the surface

• 7 1/5 m above the surface

• 15 1/5 m below the surface

• 4 3/5 m above the surface

Decide if the sum of the expression is positive or negative.

-67 + 41

• positive

• negative