Recurring Decimals

More questions on this topic: IGCSE Number: Recurring Decimals (30)

Edexcel

Edexcel · Old spec

AQA

OCR

Higher June 2025 Paper 1 Q13

EdexcelHigherCurrent spec5 marksFractionsRecurring Decimals

13 \(x = 0.\dot{2} \qquad y = 0.6\dot{8}\dot{1}\)

Work out the value of \(xy\).
Give your answer as a fraction in its simplest form. (5)

Higher November 2024 Paper 3 Q14

EdexcelHigherCurrent spec3 marksRecurring Decimals

14 Prove algebraically that \(0.4\dot{6}\dot{2}\) can be written as \(\dfrac{229}{495}\) (3)

Higher June 2024 Paper 1 Q18

EdexcelHigherCurrent spec3 marksRecurring Decimals

18 Show that \(0.\dot{1}\dot{5} + 0.2\dot{2}\dot{7}\) can be written in the form \(\dfrac{m}{66}\) where \(m\) is an integer. (3)

Higher November 2023 Paper 2 Q13

EdexcelHigherCurrent spec3 marksRecurring Decimals

13 Prove algebraically that \(0.0\dot{7}2\dot{3}\) can be written as \(\dfrac{241}{3330}\) (3)

Higher June 2023 Paper 3 Q20

EdexcelHigherCurrent spec3 marksRecurring Decimals

20 Prove algebraically that \(0.1\dot{2}\dot{3}\) can be written as \(\dfrac{61}{495}\) (3)

Higher November 2022 Paper 2 Q14

EdexcelHigherCurrent spec3 marksRecurring Decimals

14 Using algebra, prove that \(1.06\dot{2}\) can be written as \(1\dfrac{14}{225}\) (3)

Higher June 2022 Paper 1 Q12

EdexcelHigherCurrent spec3 marksRecurring Decimals

12 Express \(0.1\dot{1}\dot{7}\) as a fraction.
You must show all your working. (3)

Higher November 2021 Paper 1 Q13

EdexcelHigherCurrent spec1 markRecurring Decimals

13 Ted is trying to change \(0.\dot{4}\dot{3}\) to a fraction.

Here is the start of his method.

\(x = 0.\dot{4}\dot{3}\)
\(10x = 4.\dot{3}\dot{4}\)
\(10x - x = 4.\dot{3}\dot{4} - 0.\dot{4}\dot{3}\)

Evaluate Ted’s method so far. (1)

Higher November 2019 Paper 1 Q15

EdexcelHigherCurrent spec3 marksRecurring Decimals

15 Express \(0.4\dot{1}\dot{8}\) as a fraction.
You must show all your working. (3)

Higher November 2018 Paper 1 Q16

EdexcelHigherCurrent spec3 marksRecurring Decimals

16 Prove algebraically that \(0.2\dot{5}\dot{6}\) can be written as \(\dfrac{127}{495}\) (3)

Higher November 2017 Paper 1 Q15

EdexcelHigherCurrent spec3 marksRecurring Decimals

15 \(x = 0.4\dot{3}\dot{6}\)

Prove algebraically that \(x\) can be written as \(\dfrac{24}{55}\) (3)

Higher November 2017 Paper 1 Q8

EdexcelHigherCurrent spec2 marksRecurring Decimals

8 Write these numbers in order of size.
Start with the smallest number.

\(0.2\dot{4}\dot{6}\qquad\quad 0.24\dot{6}\qquad\quad 0.\dot{2}4\dot{6}\qquad\quad 0.246\) (2)

Higher June 2017 Paper 2 Q16

EdexcelHigherCurrent spec3 marksRecurring Decimals

16 Using algebra, prove that \(0.1\dot{3}\dot{6} \times 0.\dot{2}\) is equal in value to \(\dfrac{1}{33}\) (3)

1MA0 Higher June 2015 Paper 1 Q21

EdexcelHigherOld spec3 marksRecurring Decimals

21 \(x = 0.0\dot{4}\dot{5}\)

Prove algebraically that \(x\) can be written as \(\dfrac{1}{22}\) (3)

1MA0 Higher June 2012 Paper 1 Q24

EdexcelHigherOld spec3 marksRecurring Decimals

24 Express the recurring decimal \(0.2\dot{8}\dot{1}\) as a fraction in its simplest form. (3)

Higher November 2024 Paper 1 Q12

AQAHigherCurrent spec5 marksRecurring Decimals

12

(a) Convert \(\;\dfrac{27}{11}\;\) to a recurring decimal. [2 marks]
(b) Convert \(\;0.1\dot{5}\;\) to a fraction. [3 marks]

Higher June 2024 Paper 1 Q21

AQAHigherCurrent spec3 marksRecurring Decimals

21 Prove algebraically that \(\quad 1.0\dot{1}\dot{8} = \dfrac{56}{55}\) [3 marks]

Higher November 2023 Paper 1 Q19

AQAHigherCurrent spec3 marksFractionsRecurring Decimals

19 When converted to a fraction \(\quad 0.\dot{7} = \dfrac{7}{9}\)

Work out \(\quad 0.\dot{4} + 0.0\dot{7}\)

Give your answer as a fraction. [3 marks]

Higher June 2023 Paper 1 Q23

AQAHigherCurrent spec3 marksRecurring Decimals

23 Write \(0.1\dot{3}\) as a fraction in its simplest form. [3 marks]

Higher November 2022 Paper 1 Q21

AQAHigherCurrent spec3 marksRecurring Decimals

21 Convert \(\quad 0.6\dot{1} \quad\) to a fraction. [3 marks]

Higher June 2022 Paper 1 Q22

AQAHigherCurrent spec5 marksRecurring Decimals

22 Work out \(\quad 0.6\dot{8} - 0.4\dot{5}\)

Give your answer as a fraction in its simplest form. [5 marks]

Higher November 2021 Paper 1 Q13

AQAHigherCurrent spec2 marksFractionsRecurring Decimals

13 Convert \(\quad \dfrac{5}{6} \quad\) to a recurring decimal. [2 marks]

Higher November 2020 Paper 3 Q26

AQAHigherCurrent spec3 marksRecurring Decimals

26 Prove algebraically that \(\quad 3.4\dot{7} = \dfrac{313}{90}\) [3 marks]

Higher June 2018 Paper 2 Q27

AQAHigherCurrent spec3 marksRecurring Decimals

27 Prove algebraically that \(\; 2.7\dot{5} \;\) converts to the fraction \(\dfrac{124}{45}\) [3 marks]

Higher November 2017 Paper 1 Q26

AQAHigherCurrent spec4 marksRecurring Decimals

26

(a) \(0.\dot{7} = \dfrac{7}{9}\)

Use this fact to show that \(\quad 0.0\dot{7} = \dfrac{7}{90}\) [1 mark]

(b) Using part (a) or otherwise, convert \(\quad 0.2\dot{7} \quad\) to a fraction.

Give your answer in its simplest form. [3 marks]

Higher June 2025 Paper 5 Q18

OCRHigherCurrent spec5 marksFractionsRecurring Decimals

18 Work out.

\[1.4\dot{2} \div 0.\dot{2}\]

Give your answer as a mixed number in its simplest form.

You must show your working. [5]

Higher November 2024 Paper 6 Q15

OCRHigherCurrent spec3 marksRecurring Decimals

15 Prove that \(1.8\dot{6}\) converts to the fraction \(\dfrac{28}{15}\).
You must show your working. [3]

Higher June 2024 Paper 5 Q17

OCRHigherCurrent spec5 marksFractionsRecurring Decimals

17 The diagram shows a number line.

Number line with points P, Q and R marked in order from left to right

P = \(1.\dot{2}\) and Q = \(1\frac{2}{3}\).

Q is the midpoint of PR.

Find the value of R.
Give your answer as a mixed number in its simplest form.
You must show your working. [5]

Higher June 2024 Paper 6 Q17

OCRHigherCurrent spec5 marksRecurring Decimals

17

(a) Without using a calculator, show that \(0.\dot{1}\dot{8}\) can be written as \(\frac{2}{11}\). [3]
(b) Explain how \(\frac{2}{11} = 0.\dot{1}\dot{8}\) can be used to find \(\frac{10}{11}\) as a decimal and write down its value. [2]

Higher November 2023 Paper 5 Q18

OCRHigherCurrent spec4 marksFractionsRecurring Decimals

18 Work out.

\[0.\dot{2}\dot{8} + \frac{4}{9}\]

Give your answer as a fraction in its simplest form. [4]

Higher June 2023 Paper 5 Q16

OCRHigherCurrent spec6 marksRecurring Decimals

16

(a) Work out.\[64^{\frac{2}{3}}\] [2]
(b) \[\frac{p}{q} + 0.\dot{1}\dot{3} = \frac{5}{9}\]

where \(\frac{p}{q}\) is a fraction in its lowest terms.

Find the value of \(p\) and the value of \(q\). [4]

Higher June 2022 Paper 5 Q16

OCRHigherCurrent spec5 marksFractionsRecurring Decimals

16 Work out \(0.\dot{6} \times 0.\dot{5}\dot{4}\) giving your answer as a fraction in its simplest form.
You must show your working. [5]

Higher November 2021 Paper 5 Q13

OCRHigherCurrent spec5 marksFractionsRecurring Decimals

13

(a) Write \(\dfrac{3}{11}\) as a recurring decimal. [2]
(b) Write \(0.4\dot{8}\) as a fraction in its simplest form. [3]

Higher November 2020 Paper 6 Q18

OCRHigherCurrent spec3 marksRecurring Decimals

18 Write \(0.4\dot{1}\dot{6}\) as a fraction in its simplest form.
You must show full working in support of your answer. [3]

Higher November 2019 Paper 5 Q13

OCRHigherCurrent spec5 marksRecurring DecimalsSurds

13

(a)
(i) Write \(\frac{1}{3}\) as a recurring decimal. [1]
(ii) Write \(\frac{1}{30}\) as a recurring decimal. [1]
(b) Simplify fully by rationalising the denominator.

\(\dfrac{20}{\sqrt{5}}\) [3]

Higher June 2019 Paper 5 Q10

OCRHigherCurrent spec6 marksFractionsRecurring Decimals

10

(a) Write \(\frac{1}{6}\) as a recurring decimal. [2]
(b) Elsa divides a two-digit number by another two-digit number.
She gets the answer \(0.1\dot{5}\).

She says that there is only one possible pair of numbers that will give this answer.
Is she correct? Show how you decide. [4]

Higher November 2018 Paper 6 Q14

OCRHigherCurrent spec5 marksRecurring Decimals

14

(a) Without using a calculator, show that \(0.\dot{1}\dot{9}\) can be written as \(\dfrac{19}{99}\). [3]
(b) Explain how \(\dfrac{19}{99} = 0.\dot{1}\dot{9}\) can be used to find \(\dfrac{19}{990}\) as a decimal and write down its value. [2]

Higher June 2018 Paper 5 Q13

OCRHigherCurrent spec4 marksRecurring Decimals

13

(a) Write \(\dfrac{5}{12}\) as a recurring decimal. [2]
(b) Convert \(0.\dot{7}\dot{6}\) to a fraction. [2]

Higher November 2017 Paper 5 Q12

OCRHigherCurrent spec5 marksRecurring Decimals

12

(a) Write \(\dfrac{5}{6}\) as a recurring decimal. [2]
(b) Convert \(0.12\dot{6}\) to a fraction.
Give your answer in its lowest terms. [3]

Higher June 2017 Paper 5 Q13

OCRHigherCurrent spec4 marksRecurring Decimals

13

(a) Write \(\dfrac{7}{9}\) as a recurring decimal. [1]
(b) Sally divided a two-digit number by another two-digit number.
Her answer was 3.18181818 ...... .

Find two numbers that Sally could have used. [3]