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Oak National Academy
Oak National Academy
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Measures (1): Length and mass

Year 1 • Maths
We've put the lessons in order helping you build on what you've learned before so it’s best to start with the first lesson of a unit.

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These lessons will be removed by end of Summer Term 2025.

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1
To compare lengths and heights of objects
2
To measure lengths using non-standard units (Part 1)
3
To measure lengths using non-standard units (Part 2)
4
To begin to understand standard units of length
5
To solve problems involving doubling and halving
6
To compare the mass of two objects
7
To compare the mass of more than two objects
8
To compare masses using non-standard units
9
To find the mass of objects in units
10
To experience standard units of mass