Duelling Mathematicians

About this topic

Practise rounding numbers, including decimal places, significant figures, estimation, and choosing an appropriate level of accuracy.

This topic covers

• rounding to decimal places
• rounding to significant figures
• estimating answers after rounding
• choosing suitable accuracy for a context

Example question types

• round a decimal to two decimal places
• round a value to three significant figures
• estimate a calculation using rounded values