Daily Practice
Foundation
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15th August 1989
- 1Error Intervals2 marks
A length x is 32 cm, rounded to the nearest whole number. Write down the error interval for x.
- 2Substitution2 marks
Work out the value of 5x - 4 when x = 9.
- 3Conversions and Units2 marks
Convert 17.5 m^2 into cm^2.
- 4Area and Perimeter1 mark
A rectangle measures 6 cm by 11 cm. Work out its area.
- 5Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 200 times. How many heads would you expect?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1989, including the monthly compilation PDF.