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Multiple Choice
100

Sarah is playing a game. At the beginning, she had -225 points. Now she has 450. What was the change in Sarah's score? 

225

100

-16-8+(-7)

-31

100

9.23+(-4.72)

4.51

100

2/3 + 1/2

11/6

100

Which situation could be represented by the equation -50+50=0?

A) Leo bought a T-shirt for $50. Then she bought some shoes for $50. 

B) Brittany loaned $50 to her brother. He paid her back $50 the next day.

C) Adam drove 50 miles to the Mall. He then drove 50 more miles to a friend's birthday party. 

D) Lilly dug a hole 50 feet deep. She then dug another hole 50 feet deep.

B) Brittany loaned $50 to her brother. He paid her back $50 the next day. 

200

The high temperature for the week was 34 degrees. The low temperature for the week was -8 degrees. What is the difference between the high and low temperatures? 

26 degrees

200

-30 + 45 -15 + (-18) + 7

-11

200

5.75 - 5.25 + (- 2.50)

-2

200

1/8  + 2/4 + 3/8

8/8 or 1

200

Which combination of electrical charges will result in 1 NEGATIVE charge? 

A) 3 negative and 2 positive charges

B) 2 negative and 2 positive charges

C) 3 positive and 2 negative charges

D) 5 positive and 5 negative charges

A) 3 negative and 2 positive charges

300

A submarine dove to a depth of 638 feet below sea level, then went 30 feet up. What change in its depth will bring the submarine back to sea level (0 feet)? 

+608 feet

300

-13 + (-14) + (-3)

-30

300

0.41 + 3.59

4

300

25/8  + 42/8 + 3/8

72/8  or 71/4

300

In a bucket, Sam mixed 7/12 gallons of red paint with 16/24 gallons of purple paint. How much paint did he have in the bucket? 

A) 2 3/24

B) 11/4

C) 30/12

D) 23/24

B) 11/4

400

The lengths of a triangle are 13.2 inches, 9.36 inches, and 10.3 inches. What is the perimeter of the triangle? 

32.86 inches

400

-25 + (-13) + 6 + 13 + 25

6

400

.60 + (-0.70) + (7.13) 

7.03

400

What is the value of the expression 73/5 + (-84/7)?

-34/35

400

What is the value of (-23/4) + 1.85?

A) 0.85

B) 1

C) 8/10

D) 9/10

D) 9/10

100 Extra Points: Tell me what 9/10 is written as a decimal! 

500

A diver jumped off a cliff 50.34 feet above the water's surface. She stopped descending 13.45 feet below the water's surface. What was the total distance of her jump? 

36.89 feet

500

225 + (-600) + 750 + (-300) + (-1,250)

-1,175

500

- 55.534 + (- 42.410) + 120.5

22.556

500

-54/5 +(- 71/3)

-132/15

500

What is the value of the expression -3.35 + (-17/8)?

A) -1.475

B) -5.225

C) -4.225

D) -5.125

B) -5.225