Activities in this teaching pack include a template to select and record the heaviest items when comparing different objects to a five hundred gram mass and a set of cards to group and label different numbers of objects that have been sorted by their masses.

The interactive presentation gets the children to explore how to select and compare the mass of pair of toys using a bucket balance correctly to make each comparison.

This lesson is part of a numeracy scheme of work to get the children to measure, compare and record the mass and capacity of different objects and containers using a range of non-standard measurements. There are teaching activities for shared learning, differentiated worksheets to support independent learning and interactive presentations to introduce concepts and key skills.