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Ysgol Gynradd

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Subtraction

Subtraction Support Video

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In this video, you will see a range of ways we use equipment to support our understanding of column subtraction.
Below you will find the videos separately.

2D - 2D without regrouping (Base 10)

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2D - 2D with regrouping (Base 10)

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3D - 2D without regrouping (Place Value Counters)

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3D - 2D with regrouping ones (Place Value Counters)

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3D - 2D with regrouping tens and ones (Place Value Counters)

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3D - 3D without regrouping (Base 10)

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3D - 3D with regrouping ones (Base 10)

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3D - 3D with regrouping tens and ones (Base 10)

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