1 - Watch the teaching video which looks at adding 3 numbers.
2 - Then have a go at the questions below.
You can draw pictures to help you or use objects to count.
example 3 + 1 + 2 = 6
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3 + 3 + 2 =
2 + 5 + 1 =
2 + 2 + 2 =
6 + 1 + 3 =
4 + 2 + 2 =
7 + 1 + 1 =