Daily Practice

Foundation

9th March 1971

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 0.25. It is thrown 500 times. How many heads would you expect?
2
Two Way Tables3 marks
Of 88 students, 42 study French, 38 study German and 12 study both. How many study neither?
3
Estimating2 marks
Estimate 438 x 48 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 7x + 7 when x = -2.
5
Writing and Simplifying Ratio1 mark
Write the ratio 6 : 21 in its simplest form.

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