Daily Practice

Foundation

24th October 1989

5 questions · 12 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 200 times. How many heads would you expect?
2
Frequency Trees3 marks
200 people were surveyed. 50 were adults, of whom 20 said yes. 60 of the children said yes. How many said yes altogether?
3
Estimating2 marks
Estimate 665 x 19 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 2x + 9 when x = 8.
5
Real Life and Distance Time Graphs2 marks
Freya drives 120 km in 2 hours. Work out the average speed in km/h.

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