Daily Practice

Foundation Plus

16th November 1980

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Probability Trees3 marks
A bag holds 4 red and 3 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 6, lower quartile 13, median 17, upper quartile 22 and maximum 26. 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 = 12/x, work out y when x = -4, and write down the equation of its vertical asymptote.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 9. Write y in terms of x.

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