Daily Practice · Foundation
Daily Practice - Foundation
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16th October 1991
- 1Error Intervals2 marks
A length x is 420 cm, rounded to the nearest 10. Write down the error interval for x.
- 2Simplifying Algebra2 marks
Simplify (7x^4)(5x^4).
- 3Best Buy Questions3 marks
A pack of 10 sponges costs £4.00. A pack of 20 costs £7.00. Which pack is better value?
- 4Area and Perimeter1 mark
A rectangle measures 9 cm by 8 cm. Work out its area.
- 5Probability (Foundation)2 marks
A bag holds 7 red, 5 blue and 5 green counters. One is taken at random. Work out the probability it is green.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1991, including the monthly compilation PDF.