Daily Practice · Higher

Daily Practice - Higher

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

3rd November 2016

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

1
Standard Form3 marks
Work out (30 x 10^10) / (5 x 10^5). Give your answer in standard form.
2
Quadratic Formula3 marks
Work out the discriminant of 4x^2 - 5x + 5 = 0 and say how many real solutions it has.
3
Repeated Percentage Change3 marks
A town's population is 25500 and grows by 6% each year. Work out the population after 4 years, to the nearest whole number.
4
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 20 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
25 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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