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# litres

## Food for Thought

These are level 2 number and algebra problems from the Figure It Out series.

## Fill Them Up

This is a level 3 measurement strand activity from the Figure It Out series.

## Fill it Up

This is a level 3 measurement strand activity from the Figure It Out series.

## Ratios

In this unit we use the theme of drinks to develop an understanding of ratios. It is suitable for students working at Level 5 of the curriculum or Stage 8 of the Number Framework. The unit provides a sequence of demonstrations and questions to help guide students' learning. It includes activities that require students to convert between the metric units for capacity, and to use their knowledge of fraction, decimal and percentage conversions. Students use proportional thinking to explore, compare and combine ratios. The unit concludes with a session on rates (a subset of ratios).

## Ratios

In this unit we use the theme of drinks to develop an understanding of ratios. It is suitable for students working at Level 5 of the curriculum or Stage 8 of the Number Framework. The unit provides a sequence of demonstrations and questions to help guide students' learning. It includes activities that require students to convert between the metric units for capacity, and to use their knowledge of fraction, decimal and percentage conversions. Students use proportional thinking to explore, compare and combine ratios. The unit concludes with a session on rates (a subset of ratios).

## Slosh, Dribble, and Plop

This unit develops over 5 lessons running through the headings Getting Started, Exploring, Reflecting. The emphasis is on the need for standard units and this is reinforced by 'trading' with Smatian traders. As award shaped bottles are used here, water is needed to help both estimates and accurate measurements.

## Making Benchmarks - Volume

In this unit we will explore the idea of having Benchmarks of 1 litre and ½ litre or 500 millilitres, to aid in estimating the volume of given objects.

## Party Volumes

In this unit students build on previous experiences with litres and millilitres. Work is carried out in the context of planning a party with students measuring volumes accurately as part of the planning process. It is suggested this unit follows the units Popcorn and How Much Cereal? which involve students working with litres, half litres and cups.

## Popcorn

This unit is made of a number of popcorn investigations, which provide both a purposeful and enjoyable measuring context. The focus of the unit is introducing the students to the need for a standard unit for measuring volume.