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Math: Elementary School: Grades 3, 4 and 5 Quiz - Multiplication and Division 3 (Questions)

This Math quiz is called 'Multiplication and Division 3' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is an enjoyable way to learn if you are in the 3rd, 4th or 5th grade - aged 8 to 11.

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Multiplication and division involves splitting numbers into parts, or fractions (in the case of division). Some divisions are straightforward, such as dividing 20 bananas between 4 monkeys. Each monkey will get 5 bananas each. Other divisions are not so simple!

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Multiplying and dividing can be quite hard with decimals and fractions, but once you know how to go about it it does get easier! To multiply a number by 14 you divide it by 4. The same is true for decimals: to multiply a number by 0.25 you also divide it by 4.

Test your knowledge of multiplication and division by trying the following quiz on the subject.

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1. Which gives the answer 43?
[ ] 3 + (5 x 8) =
[ ] (3 + 5) x 8 =
[ ] 3 + 5 x 8 =
[ ] (3 + 8) x 5 =
2. How do we find a third of a number?
[ ] Multiply it by 3
[ ] Divide it by 6
[ ] Multiply it by 6
[ ] Divide it by 3
3. 22 ÷ 4 = 5 r 2. What fraction is the remainder 2?
[ ] Half
[ ] Quarter
[ ] Third
[ ] Eighth
4. On a calculator the answer to a division is 7.2. How is this interpreted in money?
[ ] £72
[ ] £7.2
[ ] £7.20
[ ] £0.72
5. What is the best method of multiplying 67 by 50?
[ ] Multiply by 100 then halve
[ ] Multiply by 100 then double
[ ] Multiply by 5 then multiply by 10
[ ] Divide by 100 then double
6. Which strategy would be best to multiply 42 by 16?
[ ] Multiply by 8 then double
[ ] Multiply by 4 then double
[ ] Divide by 2 then multiply by 8
[ ] Divide by 8 then double
7. Which of these methods would result in finding 16?
[ ] Half one third
[ ] Half one quarter
[ ] Double one quarter
[ ] Double one third
8. How can one twentieth be calculated?
[ ] Find one tenth and halve
[ ] Find one fifth and double
[ ] Find one tenth and double
[ ] Find one fifth and halve
9. What is the best method of multiplying 58 by 9?
[ ] Multiply by 10 then add 58
[ ] Multiply by 5 then add 58
[ ] Multiply by 10 then subtract 58
[ ] Multiply by 5 then subtract 58
10. Which strategy would be best to multiply 79 by 21?
[ ] Multiply by 10 then subtract 79
[ ] Multiply by 20 then add 79
[ ] Multiply by 10 then add 79
[ ] Multiply by 20 then subtract 79
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Math: Elementary School: Grades 3, 4 and 5 Quiz - Multiplication and Division 3 (Answers)
1. Which gives the answer 43?
[x] 3 + (5 x 8) =
[ ] (3 + 5) x 8 =
[ ] 3 + 5 x 8 =
[ ] (3 + 8) x 5 =
The calculation in the brackets is always done first
2. How do we find a third of a number?
[ ] Multiply it by 3
[ ] Divide it by 6
[ ] Multiply it by 6
[x] Divide it by 3
A third means the same as ÷ 3
3. 22 ÷ 4 = 5 r 2. What fraction is the remainder 2?
[x] Half
[ ] Quarter
[ ] Third
[ ] Eighth
The remainder can be expressed as 24 or 12
4. On a calculator the answer to a division is 7.2. How is this interpreted in money?
[ ] £72
[ ] £7.2
[x] £7.20
[ ] £0.72
720p is the same as £7.20
5. What is the best method of multiplying 67 by 50?
[x] Multiply by 100 then halve
[ ] Multiply by 100 then double
[ ] Multiply by 5 then multiply by 10
[ ] Divide by 100 then double
100 and 2 are easier numbers to multiply and divide than 50 is
6. Which strategy would be best to multiply 42 by 16?
[x] Multiply by 8 then double
[ ] Multiply by 4 then double
[ ] Divide by 2 then multiply by 8
[ ] Divide by 8 then double
If a number in a problem is difficult to work with then try to break it down into easier to deal with numbers
7. Which of these methods would result in finding 16?
[x] Half one third
[ ] Half one quarter
[ ] Double one quarter
[ ] Double one third
A sixth is half a third
8. How can one twentieth be calculated?
[x] Find one tenth and halve
[ ] Find one fifth and double
[ ] Find one tenth and double
[ ] Find one fifth and halve
One twentieth is half of one tenth
9. What is the best method of multiplying 58 by 9?
[ ] Multiply by 10 then add 58
[ ] Multiply by 5 then add 58
[x] Multiply by 10 then subtract 58
[ ] Multiply by 5 then subtract 58
10 is a much easier number to multiply than 9 is
10. Which strategy would be best to multiply 79 by 21?
[ ] Multiply by 10 then subtract 79
[x] Multiply by 20 then add 79
[ ] Multiply by 10 then add 79
[ ] Multiply by 20 then subtract 79
To simplify it further you could multiply 79 by 2, then by 10 and finally add 79