Integers

1.1

100

-150 + (-1500)

-1650

200

-4 = (-5) + (-6)

-15

300

-50 + (-175) + (-327)

-552

400

-48 + (-12)

-60

500

A football team loses 3 yards on one play and 6 yards on another play. Write a sum of negative integers to represent this situation. Find the sums and explain how it is related to the problem.

-3 + (-6 = -9

1.2

100

-8 + (-2) + 3

-7

200

-500 + (-600) + 1200

100

300

-25 + 50

25

400

A soccer team id having a car wash spent $55 on supplies they earn 265 including tips.

210

500

Bart and Sam played a game in which each player earns or loses points in each turn. A player's total score after two turns is the sum of his points earn or lost. The player with the greatest score after 2 turns wins. Bart earned 122 points and lose 180 points. Sam earned 185 points and lost 255 points. Who had the most points?

Sam had -70 Bart had -57. Bart won because he had fewer points lost.

1.3

100

8 - 11

-3

200

15 - 21

-6

300

0 - (-5)

5

400

49 - 72

-23

500

Aidan is playing a board game his score is -275 at the start of his turn. At the end of her turn, her score was -429 WHat was the change in Aidan's score from the start of his turn and the end of his turn.

-154

1.4

100

9 - 4 - 17

-12

200

50 - 42 + 10

18

300

6 + 13 + 7 - 5

21

400

65 + 43 - 11

97

500

-6 + 15 + 15

24