Daily Practice · Higher

Daily Practice - Higher

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

8th March 2016

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

1
The Product Rule for Counting2 marks
A meal deal has 9 mains, 9 sides and 4 drinks. How many different meals are possible?
2
Quadratic Formula3 marks
Work out the discriminant of 3x^2 + 3x + 1 = 0 and say how many real solutions it has.
3
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 5. Write y in terms of x.
4
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 25 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
20 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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