PRAXIS Core Math MCQ Test

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| By PraxisMathPrep

PraxisMathPrep

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Quizzes Created: 2 | Total Attempts: 13,411

Questions: 10 | Attempts: 13,316 | Updated: Mar 21, 2023

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Mathematics is a wonderful subject, whether you feel it’s necessary for you or not. It’s a fundamental skill, and a good foundation of knowledge in it will make you look like a competent individual in any field of work that requires you to add, subtract, multiply or divide on the fly. In this Free Mini PRAXIS Core Math Test, we’ll be checking up on your basic maths knowledge to see how much you know!

Questions and Answers

1.

Of the five numbers listed below, which is the greatest?
- A.
  
  0.00800
- B.
  
  0.022
- C.
  
  0.00004
- D.
  
  0.0197
- E.
  
  0.0202
Correct Answer
B. 0.022

Explanation
Write the numbers so that they all go to the same place value. Then, compare as regular numbers:

A) 0.00800 = 0.00800 = 800
B) 0.022 = 0.02200 = 2,200
C) 0.00004 = 0.00004 = 4
D) 0.0197 = 0.01970 = 1,970
E) 0.0202 = 0.0202 = 2,020

2,200 has the greatest value, thus B) 0.022 is the answer.

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2.

Natalie did 1/3 of her homework on Saturday and 1/5 more of her homework on Sunday. What is the ratio of the amount of homework she has completed to the amount of homework she has not completed?
- A.
  
  3:5
- B.
  
  7:8
- C.
  
  8:7
- D.
  
  7:15
- E.
  
  8:15
Correct Answer
C. 8:7
3.

What digit is in the hundredths place of the number 978.0234?
- A.
  
  2
- B.
  
  3
- C.
  
  4
- D.
  
  7
- E.
  
  8
Correct Answer
A. 2

Explanation
Since the hundredths places ends in "ths", this means that its place value is less than one and holds a place to the right of the decimal point.After the decimal point, going from left to right, the place values are as follows:. tenths, hundredths, thousandths, ten thousandths...Therefore, 2 is in the hundredths place and is the correct answer.

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4.

In a class of 25 students, 15 are boys. What percentage of the students in the class are girls?
- A.
  
  10%
- B.
  
  15%
- C.
  
  25%
- D.
  
  40%
- E.
  
  60%
Correct Answer
D. 40%
5.

A map is drawn with a scale of 4 inches representing 80 miles. How many inches on the map would represent 280 miles?
- A.
  
  7
- B.
  
  14
- C.
  
  20
- D.
  
  28
- E.
  
  40
Correct Answer
B. 14
6.

Nicole spent $60 on groceries the first week of July. The second week of July she spent $75 on groceries. What was the percent increase in the amount spent by Nicole on groceries?
- A.
  
  15%
- B.
  
  20%
- C.
  
  25%
- D.
  
  40%
- E.
  
  60%
Correct Answer
C. 25%
7.

In which of the following are the two numbers equivalent?I. 1.2 and 1/2II. 0.8 and 0.800 III. 9 and 3³
- A.
  
  I
- B.
  
  II
- C.
  
  III
- D.
  
  I and III
- E.
  
  I, II, and III
Correct Answer
B. II
8.

Which of the following is greater than 0.674?
- A.
  
  2/3
- B.
  
  0.0698
- C.
  
  7/12
- D.
  
  6.83%
- E.
  
  11/16
Correct Answer
E. 11/16

Explanation
Convert all of these to the same form (fraction, decimal, percent) and compare:

Which of the following is greater than .512 = 51.2%?

1/2 = 50%
0.0598 = 5.98%
5/12 = 41.66...%
5.83%
8/15 = 53.33...%

It is clear that 8/15 is the answer.

The quick way would have been to recognize .512 as being just slightly over 1/2, and that the only answer given that is more than 1/2 is 8/15, because 8 is more than half of 15.

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2
0
9.

Which one of the following is NOT the same as a 3:7 ratio?
- A.
  
  6:10
- B.
  
  9:21
- C.
  
  12:28
- D.
  
  15:35
- E.
  
  30:70
Correct Answer
A. 6:10

Explanation
Reduce each ratio to simplest form (similar to how you would with fractions) and compare:

A) 6:10 reduced by 2 = 3:5, which is not the same as a 3:7 ratio.
B) 9:21 reduced by 3 = 3:7
C) 12:28 reduced by 4 = 3:7
D) 15:35 reduced by 5 = 3:7
E) 30:70 reduced by 10 = 3:7

Thus A) 6:10 is the answer.

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1
0
10.

Theodore bought a clock that is 18 centimeters tall. What is the height of the clock in millimeters?
- A.
  
  0.18
- B.
  
  1.8
- C.
  
  180
- D.
  
  1,800
- E.
  
  18,000
Correct Answer
C. 180

Explanation
1 centimeter = 10 millimeters

This means that there are 10 times as many millimeters as there are centimeters.

18 x 10 = 180, so the height of the clock is 180 millimeters.

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1
0

PRAXIS Core Math MCQ Test

Of the five numbers listed below, which is the greatest?

Natalie did 1/3 of her homework on Saturday and 1/5 more of her homework on Sunday. What is the ratio of the amount of homework she has completed to the amount of homework she has not completed?

What digit is in the hundredths place of the number 978.0234?

In a class of 25 students, 15 are boys. What percentage of the students in the class are girls?

A map is drawn with a scale of 4 inches representing 80 miles. How many inches on the map would represent 280 miles?

Nicole spent $60 on groceries the first week of July. The second week of July she spent $75 on groceries. What was the percent increase in the amount spent by Nicole on groceries?

In which of the following are the two numbers equivalent?I. 1.2 and 1/2II. 0.8 and 0.800 III. 9 and 33

Which of the following is greater than 0.674?

Which one of the following is NOT the same as a 3:7 ratio?

Theodore bought a clock that is 18 centimeters tall. What is the height of the clock in millimeters?

In which of the following are the two numbers equivalent?I. 1.2 and 1/2II. 0.8 and 0.800 III. 9 and 3³