Students meet simple two-step addition and subtraction problems ('Sam has 24 stickers, buys 15 more, gives away 8'), planning both steps with a bar-model chain before calculating — the KS1 ceiling and Y3's starting point.
Intermediate Level
Students meet simple two-step addition and subtraction problems ('Sam has 24 stickers, buys 15 more, gives away 8'), planning both steps with a bar-model chain before calculating — the KS1 ceiling and Y3's starting point.




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