Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Number 7
18 practice questions
Practice questions
1–10 of 18
Question 1
1 mark · Easy
Answer and see the solution →Write the recurring decimal as a fraction in its simplest form.
Question 2
2 marks · Easy
Answer and see the solution →Express as a decimal. Give your answer to three decimal places.
Question 3
2 marks · Easy
Answer and see the solution →A calculator shows that . Explain how you know this decimal is recurring and not terminating.
Question 4
3 marks · Easy
Answer and see the solution →The decimal expansion of 0.\overline{123} is 0.123123123\ldots
(a)[1 mark]Write down the first six digits after the decimal point for 0.\overline{123}.
(b)[1 mark]Describe the pattern you see in the decimal expansion.
(c)[1 mark]Write 0.\overline{123} as a fraction in its simplest form.
Question 5
3 marks · Easy
Answer and see the solution →Complete the table by writing the fraction in its lowest terms for each recurring decimal.
Recurring decimals to fractions Decimal Fraction (simplest form) 0.\overline{7} 0.0\overline{3} 0.\overline{81} Question 6
1 mark · Easy
Answer and see the solution →Write the fraction as a decimal.
Question 7
2 marks · Easy
Answer and see the solution →A calculator shows that . Write as a decimal correct to 4 decimal places.
Question 8
2 marks · Normal
Answer and see the solution →Write the recurring decimal as a fraction in its simplest form.
Question 9
3 marks · Normal
Answer and see the solution →Write the following numbers as decimals, giving your answer to two decimal places where necessary.
(a)[1 mark](b)[1 mark](c)[1 mark]0.18 as a fraction in its simplest form.
Question 10
3 marks · Normal
Answer and see the solution →A calculator shows that .
Explain how you know this decimal is recurring, and write as a decimal.