Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

5th March 2022

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
20 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 15, lower quartile 17, median 21, upper quartile 24 and maximum 28. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 100^(3/2).
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 3x - 9, work out y when x = 4.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 18. Work out y when x = 9.

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