topic badge
iGCSE (2021 Edition)

3.07 Rounding decimals

Interactive practice questions

This question is about the recurring decimals we get when we divide whole numbers by $9$9.

The fraction $\frac{1}{9}$19 looks like $0.111\dots$0.111 when written as a decimal, which we write as $$.

Complete the table for the following conversions:

Fraction $\frac{1}{9}$19 $\frac{2}{9}$29 $\frac{3}{9}=\frac{1}{3}$39=13 $\frac{4}{9}$49 $\frac{5}{9}$59 $\frac{6}{9}=\frac{2}{3}$69=23 $\frac{7}{9}$79 $\frac{8}{9}$89 $\frac{9}{9}$99
Recurring decimal $0.\overline{1}$0.1 $0.\overline{2}$0.2 $0.\overline{3}$0.3 $0.\overline{4}$0.4 $0.\overline{5}$0.5 $0.\overline{6}$0.6 $0.\overline{7}$0.7 $0.\overline{8}$0.8 $1$1
Rounded to two decimal places $0.11$0.11 $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $0.89$0.89 $1.00$1.00
Medium
< 1min

Round $0.41$0.41 to one decimal place.

Easy
< 1min

Round $8.35$8.35 to one decimal place.

Easy
< 1min

Round $79.38$79.38 to one decimal place.

Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

0580C1.1E

Identify and use rational and irrational numbers (e.g. π, sqrt(2) ).

0580C1.9B

Give approximations to specified numbers of decimal places and round off answers to reasonable accuracy in the context of a given problem.

0580E1.1E

Identify and use rational and irrational numbers (e.g. π, sqrt(2) ).

0580E1.9B

Give approximations to specified numbers of decimal places and round off answers to reasonable accuracy in the context of a given problem.

What is Mathspace

About Mathspace