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Ysgol Gynradd

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Primary School

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Addition

Addition 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 addition.
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 (Base 10)

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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 (Place Value Counters)

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3D + 3D with regrouping ones (Place Value Counters)

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

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