# Multiplication of a Two-Digit Number by an Amount

In this worksheet, students use a shortcut method to multiply amounts such as £3.99 by a two-digit number.

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Standard Units of Measure

Difficulty level:

### QUESTION 1 of 10

In this worksheet, you must multiply numbers by amounts such as £1.99 or £2.99 or £3.99 etc.

This is particularly useful when you go shopping.

Shortcut Method

17 × £2.99

First, we pretend that the amount is £3 and not £2.99

Multiply 17 by £3 to get £51

This is 17 × 1p too much, so we now subtract 17p from £51

£51.00 - 17p = £51.00 - £0.17 = £50.83

So 17 × £2.99 =   £50.83

Work out the following.

21 × £3.99 = £

(just write the number)

Work out the following.

12 × £1.99 = £

(just write the number)

Work out the following.

13 × £3.99 = £

(just write the number)

Work out the following.

24 × £4.99 = £

(just write the number)

Work out the following.

17 × £1.99 = £

(just write the number)

Work out the following.

16 × £3.99 = £

(just write the number)

Work out the following.

21 × £2.99 = £

(just write the number)

Work out the following.

13 × £4.99 = £

(just write the number)

Work out the following.

12 × £4.99 = £

(just write the number)

Work out the following.

23 × £2.99 = £

(just write the number)

• Question 1

Work out the following.

21 × £3.99 = £

(just write the number)

83.79
• Question 2

Work out the following.

12 × £1.99 = £

(just write the number)

23.88
• Question 3

Work out the following.

13 × £3.99 = £

(just write the number)

51.87
• Question 4

Work out the following.

24 × £4.99 = £

(just write the number)

119.76
• Question 5

Work out the following.

17 × £1.99 = £

(just write the number)

33.83
• Question 6

Work out the following.

16 × £3.99 = £

(just write the number)

63.84
• Question 7

Work out the following.

21 × £2.99 = £

(just write the number)

62.79
• Question 8

Work out the following.

13 × £4.99 = £

(just write the number)

64.87
• Question 9

Work out the following.

12 × £4.99 = £

(just write the number)

59.88
• Question 10

Work out the following.

23 × £2.99 = £

(just write the number)

68.77
---- OR ----

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