Daily Practice · Higher

Daily Practice - Higher

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

20th December 2009

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

1
Probability Trees3 marks
3 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has a minimum of 15 and a maximum of 50. Work out the range.
3
Standard Form2 marks
Work out (5 x 10^4) x (5 x 10^-4). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 6x^2 + 13x + 5.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 10. Work out y when x = 5.

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