Daily Practice · Higher

Daily Practice - Higher

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

14th March 2009

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 8, lower quartile 18, median 26, upper quartile 29 and maximum 39. Work out the interquartile range.
2
Fractional and Negative Indices2 marks
Write 4^-3 as a fraction.
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 5)(x + 2)(x + 5).
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 9.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 13 cm and one shorter side of 5 cm. Work out the other shorter side.

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