Daily Practice

Foundation

30th August 1955

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 50 times. How many heads would you expect?
2
Frequency Trees3 marks
190 people were surveyed. 90 were adults, of whom 45 said yes. 35 of the children said yes. How many said yes altogether?
3
Estimating2 marks
Estimate 241 x 25 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 8x + 10 when x = -1.
5
Writing and Simplifying Ratio1 mark
Write the ratio 16 : 56 in its simplest form.

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