Daily Practice · Higher

Daily Practice - Higher

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

30th April 2017

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

1
Probability Trees3 marks
1 of 5 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 20 and a maximum of 55. Work out the range.
3
The Product Rule for Counting2 marks
A meal deal has 3 mains, 5 sides and 3 drinks. How many different meals are possible?
4
Factorising Harder Quadratics3 marks
Factorise 15x^2 - 11x - 12.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 30. Work out y when x = 5.

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