Daily Practice · Higher

Daily Practice - Higher

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

13th February 2010

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

1
Box Plots2 marks
A box plot has minimum 9, lower quartile 18, median 22, upper quartile 26 and maximum 35. Work out the interquartile range.
2
Standard Form2 marks
Work out (2 x 10^8) x (4 x 10^-6). Give your answer in standard form.
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x + 2)(x - 5).
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 45. Work out y when x = 4.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 16 cm. Work out the other shorter side.

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