Question P5 Large numbers and operation order
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Calculate 960,000 ÷ 3,000 without a calculator.
Answer
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Large numbers and operation order
Group digits by place value, then do brackets and multiplication or division before addition or subtraction.
In this one. Dividing by 700 means dividing by 7 and by 100. Cancelling zeros alone is safe only when place value is preserved.
Two numbers to add with carrying, several numbers to put in order, or a sum mixing addition, multiplication and brackets, all point here.
Children forget to carry a ten into the next column, or compare digits from the left without first checking the numbers have the same number of digits.
Worked examples of all 33 patterns and skills, in a booklet you can print.