Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
19th March 2005
- 1Inequalities on Graphs3 marks
Does the point (5, 17) satisfy y > x + 6?
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 36. Work out y when x = 7.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 28 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 200 times. How many heads would you expect?
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 10 < x <= 15. The frequencies in order are 16, 7, 21, 3, 11. Write down the modal class.
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