**Symbols are used for multiplication and division** in mathematical equations. The x denotes multiplication and the ÷ denotes division. This 11-plus Maths quiz is the first in our series of difficult quizzes on multiplication and division. Remember to look at all four answers before making your choice. Here's a reminder of two useful tips:

- To multiply a number by another number which is a multiple of 10 and whose only non zero digit is the leading digit 1: move the digits to the left by the same number of zeros that are in the multiple of 10. Note: whole numbers that do not have decimal parts are written without a decimal point e.g. 400.0 = 400: in such cases the d.p. is not normally needed.
- To divide a number by another number which is a multiple of 10 and whose only non zero digit is the leading digit 1: move the digits to the right by the same number of zeros that are in the multiple of 10.

1.

What is the correct answer to the given calculation?

18.56 × 100 = ?

18.56 × 100 = ?

0.1856

185.6

1,856

18,560

TIP 1. Move the d.p. 2 places to the right to give 1,856

2.

What is the correct answer to the given calculation?

2,500 ÷ 1,000 = ?

2,500 ÷ 1,000 = ?

0.25

2.5

25

250

TIP 2. 2,500 = 2,500.0 Move the d.p. 3 places to the left to give 2.5

3.

What is the correct answer to the given calculation?

199.09 × 1,000 = ?

199.09 × 1,000 = ?

19,909

199,090

0.19909

1,990,900

TIP 1. Move the d.p. 3 places to the right to give 199,090

4.

What is the correct answer to the given calculation?

0.124 ÷ 100 = ?

0.124 ÷ 100 = ?

12.4

1.24

0.00124

0.0124

TIP 2. Move the d.p. 2 places to the left to give 0.00124

5.

What is the correct answer to the given calculation?

10,000 × 100 = ?

10,000 × 100 = ?

10,000,000

10,000

100,000

1,000,000

TIP 1. 10,000 = 10,000.0 Move the d.p. 2 places to the right to give 1,000,000

6.

What is the correct answer to the given calculation?

250,000 ÷ 10,000 = ?

250,000 ÷ 10,000 = ?

25,000

2,500

250

25

TIP 2. 250,000 = 250,000.0 Move the d.p. 4 places to the left to give 25

7.

What is the correct answer to the given calculation?

123.608 × 100 = ?

123.608 × 100 = ?

123,608

1,236.08

12,360.8

1.23608

TIP 1. Move the d.p. 2 places to the right to give 12,360.8

8.

What is the correct answer to the given calculation?

1.11 ÷ 100 = ?

1.11 ÷ 100 = ?

111

0.0111

0.00111

11.1

TIP 2. Move the d.p. 2 places to the left to give 0.0111

9.

What is the correct answer to the given calculation?

7.777 × 100 = ?

7.777 × 100 = ?

777.7

7,777

77.77

0.07777

TIP 1. Move the d.p. 2 places to the right to give 777.7

10.

What is the correct answer to the given calculation?

34,567 ÷ 10,000 = ?

34,567 ÷ 10,000 = ?

3.4567

3,456.7

0.34567

0.034567

TIP 2. 34,567 = 34,567.0 Move the d.p. 4 places to the left to give 3.4567

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