Daily Practice
Foundation
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2nd March 1983
- 1Error Intervals2 marks
A length x is 510 cm, rounded to the nearest 10. Write down the error interval for x.
- 2Simplifying Algebra2 marks
Simplify (7x^3)(7x^2).
- 3Best Buy Questions3 marks
A pack of 9 batteries costs £3.60. A pack of 36 costs £12.96. Which pack is better value?
- 4Area and Circumference of Circles2 marks
A circle has a radius of 12 cm. Work out its circumference, leaving your answer in terms of pi.
- 5Probability (Foundation)2 marks
A bag holds 7 red, 6 blue and 2 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 March 1983, including the monthly compilation PDF.