Daily Practice · Higher

Daily Practice - Higher

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

16th October 2015

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
Fractional and Negative Indices3 marks
Work out 125^(2/3).
2
Quadratic Formula3 marks
Work out the discriminant of x^2 + 6x + 10 = 0 and say how many real solutions it has.
3
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 56. Work out y when x = 2.
4
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 6 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
22 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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