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 Choose the topic: Please select ..... A: Applying mathematics and solving problems B: Place value, ordering and rounding C: Integers, powers and roots D: Fractions, decimals, percentages, ratio and proportion E: Number operations and the relationships between them F: Mental methods and rapid recall of number facts G: Calculations: written methods H: Calculations: calculator methods I: Calculations: checking results J: Equations, formulae and identities K: Sequences, functions and graphs L: Geometrical reasoning: lines, angles and shapes M: Transformations N: Coordinates O: Construction & loci P: Measures and mensuration Q: Statistics R: Probability I: 1 2 3
 Estimate percentages of amounts Use rounding to approximate percentages of amounts I1: Percentage of money

 Use rounding to approximate the answer 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. I2: Rounding 1 Round numbers to the nearest ten or hundred and estimate an answer. Addition, subtraction, multiplication and division. I3: Rounding 2

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