Daily Practice

Foundation Plus

17th January 1983

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Probability Trees3 marks
A bag holds 5 red and 4 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
2
Box Plots2 marks
A box plot has minimum 9, lower quartile 11, median 17, upper quartile 22 and maximum 27. Work out the interquartile range.
3
Prime Factors, HCF and LCM3 marks
Write 84 as a product of its prime factors, using index form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -8/x, work out y when x = -1, and write down the equation of its vertical asymptote.
5
Repeated Percentage Change3 marks
A town's population is 6500 and grows by 6% each year. Work out the population after 3 years, to the nearest whole number.

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