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Listed under:  Mathematics  >  Number (Mathematics)  >  Rounding
Online

Estimation and reasonableness: Year 10 – planning tool

This planning resource for Year 10 is for the topic of Estimation and reasonableness. Students make approximations using real numbers in repeated calculations. Students recognise the effect of the result of a problem comprising multiple steps of calculations when approximations or rounding has been utilised at each of those steps.

Online

TIMES Module 18: Number and Algebra: decimals and percentages - teacher guide

This is a 21-page guide for teachers containing an introduction to decimals and percentages. It shows how place value is extended to describe positive numbers less than one. It also explores how to represent decimals on the number line, compare decimals, undertake the four basic arithmetic operations with decimals and change ...