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Y3 Maths

Equivalent Lengths mm and cm Lesson

This Year 3 Equivalent Lengths mm and cm lesson covers the prior learning of measuring and that 1 metre is equivalent to 100 cm, before moving onto the main skill that 1 cm is equivalent to 10 mm.

The lesson starts with a prior learning worksheet to check pupils’ understanding. If they need more practice, you can choose other resources for the step here and here. The interactive lesson slides recap the prior learning before moving on to the main skill. Children can then practise further by completing the activities and can extend their learning by completing an engaging extension task.

National Curriculum Objectives

Mathematics Year 3:(3M1a) Compare lengths (m/cm/mm)

Mathematics Year 3:(3M2a) Measure lengths (m/cm/mm)

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1 Prior Learning

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Worksheet

This worksheet recaps prior learning of measuring and that 1 metre is equivalent to 100 cm, before moving onto the main skill that 1 cm is equivalent to 10 mm.

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Full Step

For further practice, visit the full step where you will find a selection of further resources and activities such as a differentiated resource pack, homework/extension worksheet and discussion problem.

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Interactive Activity

This Year 3 Measure Lengths Game aims to support pupils' understanding of measurement.

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Interactive Activity

This Year 2 Measure Length m activity checks pupils' understanding of measuring objects using metres.

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Interactive Activity

This Measure Length cm comprises questions to test pupils understanding of measuring length.

2 Teaching

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Lesson Slides

These lesson slides guides pupils through the prior learning of measuring and that 1 metre is equivalent to 100 cm, before moving onto the main skill of equivalent lengths mm and cm. There are a number of questions to check pupils' understanding throughout.

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Lesson Slides

These are the same as the lesson slides on Classroom Secrets. You can assign this as an activity for pupils to access individually in school or remotely from home.

3 Activities

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Worksheet

This worksheet includes varied fluency, reasoning and problem solving questions for pupils to practise the main skill of equivalent lengths mm and cm.

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Full Step

For further practice, visit the full step where you will find a selection of further resources and activities such as a differentiated resource pack, homework/extension worksheet and discussion problem.

Free

Interactive Activity

This Year 3 Equivalent Lengths -mm and cm Game is designed to check pupils' understanding of millimetres and centimetres and how to convert between them.

4 Extension

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Extension

This equivalent lengths mm and cm extension task includes a challenge activity which can be used to further pupils' understanding of the concepts taught in the equivalent lengths mm and cm lesson.

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Challenge Activity

This Year 3 Equivalent Lengths – mm and cm Maths Challenge is designed to check pupils’ understanding of converting between mm and cm within a problem solving context. Pupils will match the lengths with the given clues.