A short, snappy starter which refreshes pupil’s mental arithmetic skills and provides a healthy mix of challenge and competition. This starter is suitable for all maths classes in secondary school and those in KS2.
The task is this: Using digits from 1-9, make an addition with two 3 digit numbers to make another 3 digit number. Each digit from 1-9 can only be used once (carrying is allowed).
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This could be done as a competition to encourage group work where pupils (in teams) are set a certain amount of time and must come up with as many different additions as they can. This starter is also useful for generating discussions as the pupils may notice certain patterns in the answers (i.e. the digits of the final answer always add up to 18) and the commutative law of addition (3 + 5 = 5 + 3).
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£3.00