KS2 Maths Quiz
The best method of multiplying 67 by 50 is to multiply by 100 then halve.

# Multiplication and Division (Year 5)

In KS2 Maths children will come to understand multiplication and division. In Year Five children should have a good grasp of their times tables and also be capable of doing some multiplication and division involving much larger numbers. They should also be confident when multiplying or dividing with simple fractions and decimals.

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! 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. What is the best method of multiplying 58 by 9?
10 is a much easier number to multiply than 9 is
2. On a calculator the answer to a division is 7.2. How is this interpreted in money?
720p is the same as £7.20
3. What is the best method of multiplying 67 by 50?
100 and 2 are easier numbers to multiply and divide than 50 is
4. 22 ÷ 4 = 5 r 2. What fraction is the remainder 2?
The remainder can be expressed as 24 or 12
5. How do we find a third of a number?
A third means the same as ÷ 3
6. Which strategy would be best to multiply 79 by 21?
To simplify it further you could multiply 79 by 2, then by 10 and finally add 79
7. How can one twentieth be calculated?
One twentieth is half of one tenth
8. Which gives the answer 43?
The calculation in the brackets is always done first
9. Which strategy would be best to multiply 42 by 16?
If a number in a problem is difficult to work with then try to break it down into easier to deal with numbers
10. Which of these methods would result in finding 16?
A sixth is half a third

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