Daily Practice · Higher

Daily Practice - Higher

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

23rd October 2012

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

1
Conditional Probability3 marks
9 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
45 beetles are marked and released. Later 35 are caught, of which 7 are marked. Estimate the population.
3
The Product Rule for Counting2 marks
A meal deal has 6 mains, 4 sides and 3 drinks. How many different meals are possible?
4
Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 10x + 4 = 0, to 2 decimal places.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 7. Write y in terms of x.

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