Daily Practice · Higher

Daily Practice - Higher

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

23rd January 2020

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

1
Reverse Percentages3 marks
A bill is £912 including VAT at 20%. Work out the amount before VAT.
2
Solving Quadratics3 marks
Solve x^2 + 12x + 35 = 0.
3
Repeated Percentage Change3 marks
A town's population is 20000 and grows by 4% each year. Work out the population after 2 years, to the nearest whole number.
4
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -2. Work out the gradient of a line perpendicular to it.
5
Conditional Probability3 marks
28 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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