Daily Practice · Higher

Daily Practice - Higher

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

9th July 2005

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

1
Box Plots2 marks
A box plot has minimum 2, lower quartile 7, median 9, upper quartile 17 and maximum 21. Work out the interquartile range.
2
Fractional and Negative Indices3 marks
Work out 125^(2/3).
3
Expanding Triple Brackets3 marks
Expand and simplify (x + 1)(x + 3)(x - 4).
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 324. Work out y when x = 4.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 17 cm and one shorter side of 8 cm. Work out the other shorter side.

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