Daily Practice · Higher

Daily Practice - Higher

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

21st February 2006

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

1
Conditional Probability3 marks
30 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
60 beetles are marked and released. Later 72 are caught, of which 9 are marked. Estimate the population.
3
Bounds2 marks
A mass is 29 kg, correct to 1 decimal place. Write down the lower bound.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 4x - 4, work out y when x = -3.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 7 : 9. Write y in terms of x.

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