topic badge

1.06 Calculations with decimals

Interactive practice questions

Consider $6.61+2.85$6.61+2.85

a

Estimate the answer by rounding both values to the nearest whole number.

b

Use a calculator to evaluate $6.61$6.61 + $2.85$2.85 and write the answer below.

c

What is the difference between the estimate and the actual answer?

Easy
1min

Find $46.01+0.09$46.01+0.09 giving your answer as a decimal.

Easy
< 1min

Use a calculator to evaluate $7.411+6.247$7.411+6.247

Easy
< 1min

Find $12.89+34.11$12.89+34.11 giving your answer as a decimal.

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

Outcomes

ACMEM001

solve practical problems requiring basic number operations

ACMEM002

apply arithmetic operations according to their correct order

ACMEM005

use a calculator for multi-step calculations

ACMEM006

check results of calculations for accuracy

ACMEM008

evaluate decimal fractions to the required number of decimal places

What is Mathspace

About Mathspace