Daily Practice
Numeracy
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21st September 1966
- 1Error Intervals2 marks
A length x is 25 cm, rounded to the nearest whole number. Write down the error interval for x.
- 2Substitution2 marks
Work out the value of 2x - 6 when x = 9.
- 3Conversions and Units1 mark
Convert 8.7 cm into mm.
- 4Area and Circumference of Circles2 marks
A circle has a diameter of 24 cm. Work out its area, to 1 decimal place.
- 5Averages2 marks
Here are 7 numbers: 29, 31, 32, 30, 28, 32, 28. Work out the mean.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1966, including the monthly compilation PDF.