Daily Practice

Higher

16th January 1988

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

1
Box Plots2 marks
A box plot has minimum 15, lower quartile 19, median 25, upper quartile 32 and maximum 40. Work out the interquartile range.
2
Bounds2 marks
A mass is 250 kg, correct to the nearest 10. Write down the upper bound.
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 5)(x - 2)(x + 2).
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 252. Work out y when x = 8.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 12 cm. Work out the other shorter side.

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