Daily Practice · Higher

Daily Practice - Higher

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

17th April 2013

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

1
The Product Rule for Counting2 marks
A meal deal has 5 mains, 8 sides and 2 drinks. How many different meals are possible?
2
Quadratic Formula3 marks
Work out the discriminant of 4x^2 - 10x + 12 = 0 and say how many real solutions it has.
3
Speed and Density2 marks
A block has volume 180 cm^3 and density 7.5 g/cm^3. Work out its mass.
4
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 3 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
18 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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