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Listed under:  Mathematics  >  Measurement  >  Systems of measurement  >  Informal units
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Informal units: Year 1 – planning tool

This planning resource for Year 1 is for the topic of Informal units. Students develop their understanding of uniform informal units to measure the length of objects.

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Informal units: Year 2 – planning tool

This planning resource for Year 2 is for the topic of Informal units. Students extend their understanding of uniform informal units to measure and compare the lengths, mass and capacities.

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First to finish

Compare algorithms designed to complete the same task, and evaluate each for efficiency.

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reSolve: Authentic Problems: Target Ball

This sequence of four lessons explores the relationship between an informal unit of measure and what is being measured using the context of designing a game of 'Target Ball'. Students work in groups to collect data on how far their chose ball rolls, using a cut-out foot as an informal unit of measure. They represent and ...

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reSolve: Algebra - Equivalence

This sequence of two lessons builds students' understanding of equivalence as balance. The equals sign is used to indicate the same value on both sides of an equation. Students develop their understanding of equivalence by looking at balancing scales with blocks of different weights. Each lesson is outlined in detail including ...

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reSolve: Woolly Worms

This sequence of two lessons engages students in comparing lengths of pieces of wool: 'woolly worms'. Students use direct comparison to order their collection of worms from shortest to longest. They learn to order their collection of worms using a variety of strategies, to record lengths using informal units, to draw worms ...