Robinson Tuition
Grade 2 · Foundation · free GCSE maths worksheet

Substituting into simple expressions

Replacing a letter with a positive number.

10 original questions, 19 marks. Print the worksheet, mark it with the answers sheet, and use the solutions to see every step written out by hand.

Worksheet PDFWorked solutions PDFAnswers PDF

The questions

1

T = 4x + 3y

Work out the value of T when x = 5 and y = 2.

2 marks
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26
2

Work out the value of 3x + 2 when x = 4

1 mark
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14
3

v = 5t − 8

Work out the value of v when t = 3.4

2 marks
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9
4

Work out the value of 4y − 7 when y = 6

1 mark
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17
5

a = 3   and   b = 5

  1. Work out the value of 2a + b
  2. Work out the value of 3b − a
2 marks
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a) 11 b) 12
6

Work out the value of 5 − 2x when x = 3

2 marks
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-1
7

The cost, C pounds, of hiring a bike for h hours is given by

C = 5 + 3h

Work out the cost of hiring the bike for 4 hours.

2 marks
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£17
8

Work out the value of  x2 + 7x  when x = 6.

2 marks
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78
9

Work out the value of 2n2 + 1 when n = 4

2 marks
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33
10
  1. Simplify  4c × 2d
  2. Work out the value of  4c × 2d  when c = 3 and d = 1.5
3 marks
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a) 8cd b) 36

Every question here is original and written by Robinson Tuition. The grade follows the Edexcel grade descriptors and suits AQA and OCR too; this is not an exam-board paper.

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