Daily Practice
Foundation
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11th November 1981
- 1Probability (Foundation)2 marks
A bag holds 7 red, 8 blue and 5 green counters. One is taken at random. Work out the probability it is green.
- 2Frequency Trees3 marks
120 people were surveyed. 30 were adults, of whom 5 said yes. 10 of the children said yes. How many said yes altogether?
- 3Error Intervals2 marks
A number y is 52 when truncated to the nearest whole number. Write down the error interval for y.
- 4Simplifying Algebra2 marks
Simplify (6x^3)(8x^2).
- 5Writing and Simplifying Ratio1 mark
Write the ratio 8 : 10 in its simplest form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1981, including the monthly compilation PDF.