Daily Practice

Foundation Plus

21st July 1990

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 100 times. How many heads would you expect?
2
Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 3x + 15. Use it to estimate y when x = 9.
3
Standard Form2 marks
Write 0.000773 in standard form.
4
Expanding and Factorising2 marks
Expand and simplify 3(3x + 11).
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 48. Work out y when x = 6.

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