Number bonds addends missing numbers add lesson brilliant example 13 addition sums table fact math add facts sum number based make only Coloured squares
Coloured Squares
16 squares number coloured same colour sum happens if taskcentre mathematicscentre
Number times less than thirteen seven same
Magic square (4x4)Seven times a number is 12 less than thirteen times the same number Lesson 4 – number bonds / missing addends – brilliant mathsAddition fact sums to 13.
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