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Decimals: Subtraction
Video 91 on www.corbettmaths.com
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Click here
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Question 1: Work out the answers to the following subtractions
(a) 0.9 − 0.1 (b) 0.8 − 0.3 (c) 0.7 − 0.6 (d) 0.5 − 0.2
(e) 1.2 − 0.3 (f) 1.5 − 0.4 (g) 1.8 − 0.6 (h) 1.9 − 1.2
(i) 2.4 − 0.5 (j) 3.8 − 2.5 (k) 4.1 − 1.8 (l) 5.5 − 3.1
(m) 8.7 − 1.3 (n) 9.2 − 5.8 (o) 7.3 − 3.9 (p) 8.5 − 0.9
Question 2: Work out the answers to the following subtractions
(a) 7.7 − 1.5 (b) 8.5 − 4.1 (c) 19.7 − 18.6 (d) 26.2 − 5.2
(e) 54.5 − 23.1 (f) 80.4 − 10.3 (g) 16.6 − 9.2 (h) 85.7 − 50.4
(i) 7.3 − 4 (j) 8.6 − 2 (k) 24.9 − 6 (l) 15.1 − 9
(m) 7 − 1.3 (n) 9 − 3.6 (o) 20 − 4.4 (p) 32 − 8.7
Question 3: Work out these subtractions
(a) 0.39 − 0.23 (b) 0.47 − 0.15 (c) 0.75 − 0.41 (d) 0.99 − 0.65
(e) 0.46 − 0.18 (f) 0.81 − 0.55 (g) 1.24 − 0.72 (h) 2.13 − 1.66
(i) 8.63 − 0.4 (j) 5.55 − 3.1 (k) 8.13 − 0.5 (l) 3.84 − 1.9
(m) 10.4 − 0.15 (n) 5.8 − 1.92 (o) 14.5 − 0.77 (p) 12 − 4.55
Question 4: Complete these subtractions
(a) 40.5 − 19.3 (b) 88.3 − 52.58 (c) 155.73 − 48.89 (d) 203.5 − 51.64
(e) 498 − 70.94 (f) 500 − 384.11 (g) 8200 − 901.3 (h) 10000 − 4901.33
Question 5: Work out each of the following
(a) 1.284 − 0.151 (b) 2.028 − 1.115 (c) 39.45 − 6.061
© CORBETTMATHS 2018
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Decimals: Subtraction
Video 91 on www.corbettmaths.com
(d) 40.5 − 7.258 (e) 204.1945 − 203.7885 (f) 716 − 409.4822
Apply
Question 1: Paul buys a book that costs £6.89 and pays with a £10 note.
How much change should Paul get?
Question 2: Jennifer has 1.2kg of Ulour.
She uses 0.75kg of the Ulour to bake a cake.
How much Ulour does she have left?
Question 3: The perimeter of the triangle is 16.1cm.
Work out the length of the missing side.
Question 4: The Uirst four terms of a number sequence are
15.8, 15.1, 14.4, 13.7, ___, ___
Work out the next two terms.
Question 5: Find the missing numbers
Question 6: Maxine buys 3 magazines that cost £1.99, £2.45 and £3.70.
She pays with a £50 note.
Work out how much change she should receive?
Question 7: Angus is working out 7.23 − 1.91
Can you spot any mistakes?
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Click here © CORBETTMATHS 2018
Subtracting Decimal Video 91
Workout
Question 1:
a) 0.8 b) 0.5 c) 0.7 d) 0.3 e) 0.9 f) 1.1
g) 1.2 h) 0.7 i) 1.9 j) 1.3 k) 2.3 l) 2.4
m) 7.4 n) 3.4 o) 3.4 p) 7.6
Question 2:
a) 6.2 b) 4.4 c) 1.1 d) 21 e) 31.4 f) 70.1
g) 7.4 h) 35.3 i) 3.3 j) 6.6 k) 18.9 l) 6.1
m) 5.7 n) 5.4 o) 15.6 p) 23.3
Question 3:
a) 0.16 b) 0.32 c) 0.34 d) 0.34 e) 0.28 f) 0.26
g) 0.52 h) 0.47 i) 8.23 j) 2.45 k) 7.63 l) 1.94
m) 10.25 n) 3.88 o) 13.73 p) 7.45
Question 4:
a) 21.2 b) 35.72 c) 106.84 d) 151.86 e) 427.06 f) 115.89
g) 7298.7 h) 5098.67
Question 5:
a) 1.133 b) 0.913 c) 33.389 d) 33.242 e) 0.406
f) 306.5178
Apply
Question 1: £3.11
Question 2: 0.45kg
Question 3: 4.7cm
Question 4: 13 and 12.3
Question 5: 8.41 + 16.59 = 25 17.27 – 15.38 = 1.89
Question 6: £41.86
Question 7: The answer should be 5.32. Angus needed to have borrowed from
the 7 to make 12-9. He also needed to insert the decimal point into
his answer.
