Daily Practice · Higher

Daily Practice - Higher

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

18th August 2001

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Reverse Percentages3 marks
A bill is £480 including VAT at 20%. Work out the amount before VAT.
2
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 8x - 9, work out y when x = -1.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 4.
4
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 14 cm and angle 120°. Work out its area, to 1 decimal place.
5
Conditional Probability3 marks
27 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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