Daily Practice

Foundation Plus

9th October 1953

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

1
Probability Trees3 marks
A bag holds 5 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 11, lower quartile 15, median 21, upper quartile 23 and maximum 25. Work out the interquartile range.
3
Prime Factors, HCF and LCM3 marks
Write 126 as a product of its prime factors, using index form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 40/x, work out y when x = -10, and write down the equation of its vertical asymptote.
5
Proportion2 marks
8 identical notebooks cost £3.20. Work out the cost of 7 of the same notebooks.

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