Home>Whiteboard Worksheets>Checking results of calculations
 Choose the topic: Please select ..... A: Place value, ordering and rounding B: Properties of numbers & number sequences C: Fractions, decimals & percentages, ratio & proportion D: Mental calculation strategies (+ and -) E: Pencil & paper procedures (+ and -) F: Understanding multiplication & division G: Rapid recall of multiplication & division facts H: Mental calculation strategies (x and divide) I: Pencil & paper procedures (x and divide) J: Using a calculator K: Checking results of calculations L: Solving problems: making decisions M: Reasoning about numbers or shapes N: Problems involving 'real life', money or measures O: Handling data P: Measures Q: Shape and space K: 1 2 3
 Approximate by rounding Round numbers to the nearest hundred and estimate an answer. Addition and subtraction. The answer sheet shows all the numbers rounded to the nearest hundred, some perhaps might be better rounded to the nearest ten. K1: Rounding Round numbers to the nearest ten or hundred and estimate an answer. Addition, subtraction, multiplication and division. K2: Year 5 rounding K3: Year 6 rounding

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