Introduction

Develop efficient calculation strategies, and connect knowledge of multiplying and dividing by 10/100/1,000 to understanding of place value, including application to conversion between metric units of measure.

Teaching points

• Teaching point 1: To multiply a number by 10/100/1,000, move the digits one/two/three places to the left; to divide a number by 10/100/1,000, move the digits one/two/three places to the right.
   
• Teaching point 2: Measures can be converted from one unit to another using knowledge of multiplication and division by 10/100/1,000.