GCSE Mathematics
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GCSE Mathematics. Targeting Grade C. Number Unit 1 Decimals. If not you need. Can you… Add and subtract decimals Multiply decimals Divide decimals Try a test. TOP : Review place value of decimals Practice 1: Add and subtract decimals Practice 2: Multiplying decimals

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Targeting Grade C

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Targeting grade c

GCSE Mathematics

Targeting Grade C

Number

Unit 1 Decimals


Targeting grade c

If not you need

  • Can you…

  • Add and subtract decimals

  • Multiply decimals

  • Divide decimals

  • Try a test

TOP: Review place value of decimals

Practice 1: Add and subtract decimals

Practice 2: Multiplying decimals

Practice 3: Dividing decimals

TAIL


Targeting grade c

TopWrite the value of the underlined digits in the following

numbers.

  • 24.5

  • 364.36

  • 671.846

  • 5737.36

  • 8467.47234

  • 473.5483

Lesson


Targeting grade c

Practice 1:Add and subtract the following (remember to make sure

the decimal points are in line, especially with the whole numbers).

  • 4.96 + 6.3(2) 6.92 – 3.48

    (3) 12.6 + 8.41(4) 126.5 – 12.62

    (5) 100.4 – 83.6(6) 147.62 + 25.13 – 19.2

    (7) 1596.5 + 154.258(8) 357.25 – 159.29

    (9) 657.65 + 165 – 65.28(10)125 – 36.52 + 12.147

Lesson


Targeting grade c

Ignore the decimal points and multiply the numbers as normal (using long multiplication where necessary), then put the decimal point back at the end. REMEMBER there must be the same number of decimal places in the final answer as there was in the whole question!)

Practice 2:Multiply the following decimals:

  • 25.4  0.6

  • 1.26  1.3

  • 0.65  1.5

  • 36.4  5.8

  • 12.6  13

  • 6.4  9

  • 53.4  2.1

  • 23.4  0.12

Lesson


Targeting grade c

Divide as normal then put the decimal point above the one in the question

Practice 3:Find the answers to the following division problems:

  • 65.4  2(2) 63.9  3

    (3) 126.34  5(4) 1.76  10

    (5) 12.4  8(6) 458.64  4

    (7) 21.54  6(8) 21.81  7

    (9) 124.6  2(10) 159.64  4

Lesson


Targeting grade c

Are you ready for the answers ?

TAIL

61.52

26.9 + 34.62

126.3 – 12.9

113.4

126.4  4

31.6

15.2  2.4

36.48

126.9 + 54

180.9

94.5  3

31.5

168.3

561  0.3

16.1

24 – 7.9

24.36 + 19.2 – 17.5

26.06

96.4 + 3.6 – 63.9

36.1

Lesson


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