Basic Math Practice

Math Practice

Basic Math Practice practice questions – Percent, Fractions Decimals Exponents, and Simple Algebra.

FREE Basic Math Interactive Quiz

Try a FREE Math Quiz!

Includes fractions, word problems, decimals, percent, exponents word problems and more!
Test your math skills! Also includes tutorials! Get Started

Practice Questions

1. 8 is what percent of 40?

A. 10%

B. 15%

C. 20%

D. 25%

2. 9 is what percent of 36?

A. 10%

B. 15%

C. 20%

D. 25%

3. Three tenths of 90 equals:

A. 18

B. 45

C. 27

D. 36

4. .4% of 36 equals:

A. 1.44

B. .144

C. 14.4

D. 144

5. The ratio of 8:5 = (?)%

A. 75%

B. 150%

C. 175%

D. 160%

6. 3/5 = (?)% x ?

A. 75%

B. 100%

C. 78%

D. 60%

7. Express 2/5 as a decimal.

A. .33

B. .3

C. .4

D. .5

8. Express .56 as a percentage.

A. 56%

B. .56%

C. 5.6%

D. .056%

9. Express 18/6 as a percentage.

A. 300%

B. 30%

C. 150%

D. 3%

10. Express 4/20 as a percentage.

A. 25%

B. 20%

C. 15%

D. 40%

FREE Basic Math Interactive Quiz

Try a FREE Math Quiz!

Includes fractions, word problems, decimals, percent, exponents word problems and more!
Test your math skills! Also includes tutorials! Get Started

Answer Key

1. C. Finding the percentage of one number and another.

2. D. Finding the percentage of one number and another.

3. C. Determining percent from a whole number.

4. B. Determining the fractional percentage of a number.

5. D. Determining the percentage of a ratio statement.

6. D. Percentage of a fraction and another fraction.

7. C. Converting common fraction to a decimal fraction.

8. A. Converting decimal fraction to a percentage.

9. A. Converting fraction to percent.

10. B. Converting fraction to percent.

Decimal Tips Tricks and Shortcuts

Math Practice!

Start preparing for any upcoming math test with our general math pack. Whether you need to prep for a math placement test, end of year test, or admissions exam, we have you covered. Improve your skills in topics like algebra, math word problems, arithmetic, and decimals. The skills you'll practice in this pack are essential for a strong score on any math test, and will help you reach your full academic and career potential. Start learning today!
Written by: Brian Stocker MA, Complete Test Preparation Inc.
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Brian Stocker MA

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    11 Comments

  1. Inam
    January 20, 2015

    Hey how would you do .4% of 36 equals without a calculator

    • Complete Test Prep
      January 21, 2015

      .4/100 = X/36
      so .4 X 36 = 14.4 then divide by 100 which moves the decimal place 2 places to the left 0.144

      So without a calculator, the only part you have to worry about is (.4 X 36) which you can do on scrap paper.

      • Len
        July 7, 2016

        Or you could say that 1/10 of 36 = 3.6, therefore 4/10 of 36 = 14.4, as a Percentage is 100th, divide 14.4 by 100 = .144 (Move the decimal point two to the left)

        Should be able to do all that in your head.

  2. Andreea
    June 21, 2015

    How do you calculate:
    3/5 = (?)% x

    Thx

    • Complete Test Prep
      June 25, 2015

      Hi – 3/5 = x/100; cross multiply, so, 300 = 5x; divide both sides by 5, so, 60 = x

      so 3/5 is 60%.

      There is a shorter way since 100 is divisible by 5

      3/5 = x/100 – multiply both sides by 5, so 3/1 = 5x/100 = 3 = x/20; multiply both sides by 20, so
      60 = x.
      Or you can just do that in your head!

    • Konichiwa
      September 21, 2015

      You guys are all stupid, I did these questions in five seconds and you are asking what three fifths equal in percentage?

      • MM
        December 3, 2017

        That is so rude of you. we are all leaners here . not that we don’t know it, but want to know more. people still learn no matter how smart they are. please stop.

      • Yazmurat
        July 30, 2018

        Thats so true ;). Whatever, its just people these days.

      • Mindy
        September 21, 2018

        Wow!! I can’t believe you would dare to say such a thing. I usually don’t comment on things like this, but I had to speak up here.

        No one is stupid, nor is there a such thing as a stupid question. If you don’t know you ask so you can grow. Those that fail to ask plan to fail. You can’t call people stupid, because they may be at another level than you are. If you were asking such a question, I’m sure you wouldn’t want anyone to judge you and call you out of your name (in which no one can probably pronounce.).

    • hitan
      October 18, 2018

      u dont need math for that 3/5 is 60 since 2 times 5 is 10 which is 100% and 3 times 2 is 6 where as the problem is 60percent

  3. noyon khan
    November 1, 2018

    how will I do ratio

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