# PRAXIS Core Math MCQ Test

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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!

• 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

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.

• A.

3:5

• B.

7:8

• C.

8:7

• D.

7:15

• E.

8:15

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

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.

• A.

10%

• B.

15%

• C.

25%

• D.

40%

• E.

60%

D. 40%
• 5.

• A.

7

• B.

14

• C.

20

• D.

28

• E.

40

B. 14
• 6.

• A.

15%

• B.

20%

• C.

25%

• D.

40%

• E.

60%

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

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

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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• 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

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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• 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

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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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Mar 13, 2011
Quiz Created by
PraxisMathPrep

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