Fractions, decimals, percentages, ratio and proportion Quiz - Mathematics Number

Free practice quiz: Fractions, decimals, percentages, ratio and proportion (Mathematics Number). 23 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This Mathematics Number practice quiz has 23 multiple-choice questions on Fractions, decimals, percentages, ratio and proportion, and 23 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Which fraction equals 0.666…?

   1. 6/10
   2. 2/5
   3. 3/4
   4. 2/3
   Show answer

   Answer: D. 2/3

   2 ÷ 3 = 0.666…

2. Work out 4 × 2 1/3

   1. 8 1/3
   2. 9 1/3
   3. 10
   4. 6 1/3
   Show answer

   Answer: B. 9 1/3

   4 × 7/3 = 28/3 = 9 1/3.

3. Decrease 250 by 20%

   1. 200
   2. 50
   3. 230
   4. 180
   Show answer

   Answer: A. 200

   20% of 250 = 50, so 250 − 50 = 200.

4. Work out 3.2 × 0.4

   1. 0.128
   2. 12.8
   3. 1.28
   4. 1.2
   Show answer

   Answer: C. 1.28

   32 × 4 = 128, then place the decimal point: 1.28.

5. y is directly proportional to x. y = 12 when x = 3. Find y when x = 7.

   1. 21
   2. 28
   3. 84
   4. 36
   Show answer

   Answer: B. 28

   k = 4, so y = 4 × 7 = 28.

More questions in this quiz

Answers and explanations are in the full quiz.

1. Which fraction equals 0.272727…?
2. Work out 3 1/2 − 1 3/4
3. Work out 5 1/3 − 2 1/2
4. Work out 6 ÷ 2/3
5. Work out 5 ÷ 1/4
6. Work out (0.6 + 0.4) ÷ 0.5
7. Increase 80 by 15%
8. A price rises from 40 to 46. What is the percentage increase?
9. Which is the largest?
10. Estimate 4.8 × 3.1
11. Work out 2.5 × 0.06
12. Work out 7.2 ÷ 0.3
13. Work out 1.44 ÷ 1.2
14. Estimate 39.6 ÷ 0.9
15. Simplify 250 g : 2 kg
16. Simplify 45 min : 1 h 30 min
17. Simplify 1.2 m : 60 cm
18. Divide $60 in the ratio 1 : 2 : 3

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