Daily Practice · Higher

Daily Practice - Higher

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

3rd November 2001

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

1
Box Plots2 marks
A box plot has minimum 13, lower quartile 21, median 31, upper quartile 35 and maximum 38. Work out the interquartile range.
2
Reverse Percentages3 marks
A bill is £48 including VAT at 20%. Work out the amount before VAT.
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 1)(x - 3)(x + 5).
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 6.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 29 cm and one shorter side of 21 cm. Work out the other shorter side.

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