Daily Practice · Higher

Daily Practice - Higher

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

14th September 1999

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

1
Conditional Probability3 marks
19 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
30 fish are marked and released. Later 20 are caught, of which 4 are marked. Estimate the population.
3
Reverse Percentages3 marks
A bill is £888 including VAT at 20%. Work out the amount before VAT.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 2x + 3, work out y when x = 4.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.

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