Daily Practice

Foundation

19th December 1967

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 0.4. It is thrown 250 times. How many heads would you expect?
2
Two Way Tables3 marks
In a group of 90 students, 30 are boys. 5 boys and 10 girls bring a packed lunch. How many students do not?
3
Error Intervals2 marks
A number y is 69 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 8x - 12 when x = 2.
5
Real Life and Distance Time Graphs2 marks
Zara drives 180 km in 4 hours. Work out the average speed in km/h.

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