Daily Practice · Higher

Daily Practice - Higher

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

30th November 2014

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
20 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has a minimum of 17 and a maximum of 45. Work out the range.
3
Standard Form3 marks
Work out (64 x 10^8) / (8 x 10^3). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 + 10x + 1 = 0, to 2 decimal places.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 12. Work out y when x = 2.

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