AnswersAIA - 12 Career Math 1st SemCumulative Exam

Cumulative Exam — Cumulative exam Answers

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Colin surveyed his classmates about their favorite subject in school. Colin’s Survey ResultsFavorite Subject Number of StudentsMath14Language Arts7Earth Science10Life Science11Which statement is true?

A
The ratio of science fans to language arts fans is 10:7.
B
The ratio of language arts fans to science fans is 1:3.
C
The ratio of math and science fans to language arts fans is 24:7.
D
The ratio of language arts fans to math and science fans is 5:1.
2
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Alexi divided 256 by 16. Which could he have been converting?

A
256 ounces to pounds
B
256 pounds to ounces
C
256 pounds to tons
D
256 tons to pounds
3

Lorine drew the model below to represent the equation .What is the missing value (?) in Lorine’s equation?

Question illustration
A
4
B
7
C
8
D
11
4

The Raptors have lost 5 out of their last 11 games. They have not had any ties or forfeits. What is the ratio of wins to losses for the Raptors?

A
5:6
B
6:5
C
5:11
D
11:5
5

Otis has $6.72, and he wants to buy some pencils that cost $1.12 each. How many pencils can he buy?

A
4 pencils
B
5 pencils
C
6 pencils
D
7 pencils
6

Washington Middle School sold 405 tickets to the annual musical production for Friday night. If the tickets sold for Friday night were only 45 percent of the total tickets sold, how many total tickets were sold for the production?

A
450
B
590
C
810
D
900
7

Bernardo is converting a fraction, , to a percent. Both a and b are whole numbers and not equal to zero. Which expression represents the percent?

Question illustration
A
(a divided by b) divided by 100
Option A
B
(b divided by a) divided by 100
Option B
C
100 (a divided by b)
Option C
D
100 (b divided by a)
Option D
8

A case of tomato cans weighs 563 dekagrams. A case of soup cans weighs 458 dekagrams. How much do the two cases weigh together in decigrams? Use the metric table to help answer the question.Metric Tablekilo-hecto-deka-unitdeci-centi-milli-1,0001001010.10.010.001

A
1,021 decigrams
B
10,210 decigrams
C
102,100 decigrams
D
1,021,000 decigrams
9

Which of these numbers rounds to 7.6?

A
7.546
B
7.630
C
7.670
D
7.720
10

Katrina is building a wall around her backyard using bricks that are 18 inches long. The wall needs to be 36 feet, or 432 inches, long. She determines that she will need exactly 23 bricks for each row, as shown by her calculations below.What error did Katrina make in her calculations?

Question illustration
A
There is a subtraction error. Each row will need 22 bricks.
B
There is a subtraction error. Each row will need 24 bricks.
C
There is a division error. Each row will need 22 bricks.
D
There is a division error. Each row will need 24 bricks.
11

At a local store, hot dogs come in packages of 8, and hot dog buns come in packages of 12. For her party, Arpitha purchased the minimum number of hot dog packages and bun packages that she could while making sure to have the same number of hot dogs and buns. How many hot dogs can Arpitha serve at her party?

A
4
B
24
C
48
D
96
12

London mixes 6 parts yellow paint with 3 parts blue paint to make green. She adds 1 more part of yellow to change the shade of green. What is the new ratio of yellow to blue?

A
3 to 7
B
4 to 7
C
6 to 4
D
7 to 3
13

After completing the fraction division , Bai used the multiplication below to check his work. Which is the most accurate description of Bai’s work?

Question illustration
A
Bai found the correct quotient and checked his work using multiplication correctly.
B
Bai found the correct quotient but checked his work using multiplication incorrectly.
C
Bai found an incorrect quotient but checked his work using multiplication correctly.
D
Bai found an incorrect quotient and checked his work using multiplication incorrectly.
14

What is 10% of 360?

A
18
B
36
C
90
D
180
15

A box of small crackers holds 4 equal servings. If there are 124 crackers in the box, how many crackers are in each serving?

A
16
B
31
C
36
D
41
16

The fastest lion ever recorded ran approximately 402 meters in 18 seconds. Which expression shows how to correctly determine the speed in meters per second?

A
402 meters ÷ 18 seconds
B
18 seconds ÷ 402 meters
C
402 seconds ÷ 18 meters
D
18 meters ÷ 402 seconds
17

Kia thinks that every number has at least two factors. Which explains whether Kia is correct?

A
Kia is correct because prime numbers have two factors and composite numbers have more than two factors.
B
Kia is correct because composite numbers have two factors and prime numbers have more than two factors.
C
Kia is incorrect because prime numbers do not have any factors.
D
Kia is incorrect because the only factor of 1 is 1.
18

Premium gasoline costs $4.33 per gallon. Noni’s car holds 11.6 gallons of gas. What is the estimated cost of filling the tank of Noni’s car?

A
$12
B
$48
C
$55
D
$60
19

Sergio claims that . Which statement is true regarding his claim?

Question illustration
A
Sergio is correct because .
Option A
B
Sergio is correct because 20 out of 20 represents 1 whole.
C
Sergio is incorrect because
Option C
D
Sergio is incorrect because the ratio simplifies to 0.
20

Henry made himself a sandwich that was of a foot long. He put pepperoni on of his sandwich. What length of the sandwich did not have pepperoni on it?

Question illustration
A
of a foot
Option A
B
of a foot
Option B
C
of a foot
Option C
D
of a foot
Option D

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