Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
18th August 2007
- 1Expanding and Factorising2 marks
Expand and simplify 7(5x - 1).
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 15. Work out y when x = 11.
- 3Transformations2 marks
The point (5, 0) is rotated 90° anticlockwise about the origin. Write down the coordinates of the image.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 200 times. How many heads would you expect?
- 5Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 2x + 7. Use it to estimate y when x = 7.
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