Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
16th August 1997
- 1Inequalities on Graphs3 marks
Does the point (1, 11) satisfy y > 2x + 5?
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 80. Work out y when x = 14.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 24 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. 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 15 < x <= 20. The frequencies in order are 3, 7, 16, 21, 11. Write down the modal class.
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