Daily Practice

Foundation

31st January 1978

5 questions · 11 marks · Grades 3-4 · 87 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
Two Way Tables3 marks
In a group of 90 students, 40 are boys. 10 boys and 10 girls bring a packed lunch. How many students do not?
3
Estimating2 marks
Estimate 717 x 34 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 8x + 12 when x = -3.
5
Writing and Simplifying Ratio1 mark
Write the ratio 32 : 40 in its simplest form.

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