Daily Practice
Foundation Plus
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11th March 1990
- 1Probability Trees3 marks
A bag holds 4 red and 7 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 2x + 30. Use it to estimate y when x = 3.
- 3Prime Factors, HCF and LCM3 marks
Write 96 as a product of its prime factors, using index form.
- 4Expanding and Factorising2 marks
Expand and simplify 3(8x - 4).
- 5Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.
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