Daily Practice
Foundation Plus
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15th October 1981
- 1Expanding and Factorising2 marks
Expand and simplify 7(6x - 7).
- 2Speed and Density2 marks
A block has volume 50 cm^3 and density 4 g/cm^3. Work out its mass.
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 13 cm and one shorter side of 5 cm. Work out the other shorter side.
- 4Probability Trees3 marks
A bag holds 2 red and 4 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 5x + 29. Use it to estimate y when x = 9.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1981, including the monthly compilation PDF.