Revision Library

revisionlibrary.co.uk

GCSE · Fractions, Decimals and Percentages

2.5D Fractions, Decimals and Percentages: Fluency and Exam Drill

EDEXCEL Edexcel 1MA1 · Calculator allowed · about 50 minutes

Total Marks

Name: _______________________________ Date: ____ / ____ / ______

Answer ALL questions. Show all your working.

Write 3/5 as a decimal.

(Total for Question 1 is 1 mark)

Write 7/20 as a decimal.

(Total for Question 2 is 1 mark)

Write 0.125 as a fraction in its simplest form.

(Total for Question 3 is 1 mark)

Write 5/8 as a percentage.

(Total for Question 4 is 1 mark)

Write 250% as a fraction in simplest form.

(Total for Question 5 is 1 mark)

Write 0.45 as a percentage.

(Total for Question 6 is 1 mark)

Write 11/25 as a percentage.

(Total for Question 7 is 1 mark)

Write 0.875 as a fraction in simplest form.

(Total for Question 8 is 1 mark)

Write 3.2 as a percentage.

(Total for Question 9 is 1 mark)

Write 125% as a decimal.

(Total for Question 10 is 1 mark)

A shirt priced at £40 is reduced by 15%. Work out the sale price.

(Total for Question 11 is 2 marks)

Express 2/3 as a percentage, giving your answer to 1 decimal place.

(Total for Question 12 is 2 marks)

Show that 0.272727... = 3/11. You must show the working.

(Total for Question 13 is 2 marks)

Order the following values from smallest to largest: 7/20, 0.36, 33%, 3/8. Give the list in the same format as the question.

(Total for Question 14 is 2 marks)

A pair of trainers costs £60 after a single 25% discount. Work out the original price.

(Total for Question 15 is 3 marks)

Write 17.5% as a fraction in its simplest form.

(Total for Question 16 is 2 marks)

What percentage of 240 is 90? Give your answer as a percentage.

(Total for Question 17 is 3 marks)

A quantity is increased by 12% and then decreased by 12%. Work out the overall percentage change (state decrease or increase).

(Total for Question 18 is 3 marks)

Mark scheme · 2.5D Fractions, Decimals and Percentages: Fluency and Exam Drill

Question 1

B1 0.6 cao
Answer: 0.6

Question 2

B1 0.35 cao
Answer: 0.35

Question 3

B1 1/8 cao
Answer: 1/8

Question 4

B1 62.5% cao
Answer: 62.5%

Question 5

B1 5/2 cao
Answer: 5/2

Question 6

B1 45% cao
Answer: 45%

Question 7

B1 44% cao
Answer: 44%

Question 8

B1 7/8 cao
Answer: 7/8

Question 9

B1 320% cao
Answer: 320%

Question 10

B1 1.25 cao
Answer: 1.25

Question 11

M1 calculate 15% of 40 or find 85% of 40
A1 £34.00 cao
Answer: £34.00

Question 12

M1 convert 2/3 to decimal 0.666... and multiply by 100
A1 66.7% awrt
Answer: 66.7%

Question 13

M1 method: let x = 0.272727..., 100x - x = 27.2727... - 0.2727... = 27
A1 3/11 cso
Answer: 3/11

Question 14

M1 convert to common form or compare: 33% = 0.33, 7/20 = 0.35, 0.36, 3/8 = 0.375
A1 33%, 7/20, 0.36, 3/8 cao
Answer: 33%, 7/20, 0.36, 3/8

Question 15

M1 use equation: 0.75 x original = 60 or realise original = 60 / 0.75
M1 perform division 60 / 0.75 = 80
A1 £80.00 cao
Answer: £80.00

Question 16

M1 convert: 17.5/100 = 175/1000 and simplify
A1 7/40 cao
Answer: 7/40

Question 17

M1 correct division 90 / 240
M1 multiply answer by 100
A1 37.5% cao
Answer: 37.5%

Question 18

M1 use multiplicative factors 1.12 and 0.88 and multiply
M1 evaluate 1.12 x 0.88 = 0.9856
A1 final change is a decrease of 1.44% (0.9856 = 98.56% so decrease 1.44%)
Answer: Decrease of 1.44%

Fractions, Decimals and Percentages: Fluency and Exam Drill - Worksheets, Questions and Revision