Cumulative Exam — Cumulative exam Answers

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43

Tobie is estimating the sum of the expression -50+51.Which reasoning would lead Tobie to the right answer?

A
–50 + 50 is equal to -100 plus -1 is -101.
B
–50 + 50 is equal to zero plus -1 is -1.
C
–50 + 50 is equal to zero plus 1 is 1.
D
–50 + 50 is equal to 100 plus 1 is 101.
44

Which values of a, b, and c correctly complete the division?

Question illustration
A
a = 6, b = 5, c = 3
Option A
B
a = 6, b = 3, c = 5
Option B
C
a = 1, b = 3, c = 6
Option C
D
a = 1, b = 5, c = 3
Option D
45

Allen has a recipe for a pitcher of fruit punch that requires cups of pineapple juice. Which question about the recipe is best modeled with a division expression?

Question illustration
A
How much pineapple juice is needed to make 5 pitchers of punch?
B
How much punch can be made from 5 cups of pineapple juice?
C
How many cups of fruit punch does the recipe make if there are a total of 12 cups of other ingredients?
D
How many cups of other ingredients are needed if the recipe makes a total of 12 cups of fruit punch?
46

What is 35 percent of 63?

A
1.8
B
3.15
C
18.9
D
22.05
50

What are the steps for using integer tiles to evaluate the expression ?

Question illustration
A
Start with 15 tiles and separate them into 3 same-sized groups.
B
Start with 45 tiles and separate them into 15 same-sized groups.
C
Assemble 45 groups of 3 tiles each.
D
Assemble 45 groups of 15 tiles each.

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