Daily Practice

Foundation Plus

19th April 1986

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

1
Probability Trees3 marks
A bag holds 4 red and 7 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 1, lower quartile 7, median 17, upper quartile 22 and maximum 24. Work out the interquartile range.
3
Prime Factors, HCF and LCM3 marks
Write 40 as a product of its prime factors, using index form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -20/x, work out y when x = 2, and write down the equation of its vertical asymptote.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 16. Work out y when x = 12.

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