Daily Practice
Higher
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10th January 1957
- 1Histograms2 marks
A histogram class is 4 units wide and contains 10 values. Work out the frequency density.
- 2Reverse Percentages3 marks
A bill is £216 including VAT at 20%. Work out the amount before VAT.
- 3Expanding Triple Brackets3 marks
Expand and simplify (x - 1)(x + 4)(x + 4).
- 4Repeated Percentage Change3 marks
A town's population is 27500 and grows by 8% each year. Work out the population after 4 years, to the nearest whole number.
- 5Pythagoras2 marks
A right-angled triangle has a hypotenuse of 41 cm and one shorter side of 40 cm. Work out the other shorter side.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1957, including the monthly compilation PDF.