Daily Practice · Higher

Daily Practice - Higher

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

23rd July 2017

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

1
Probability Trees3 marks
2 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 8 and a maximum of 31. Work out the range.
3
Standard Form2 marks
Work out (5 x 10^6) x (2 x 10^-6). Give your answer in standard form.
4
Simultaneous Equations3 marks
5 teas and 2 cakes cost £15.10. 4 teas and 5 cakes cost £16.50. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 4. Work out y when x = 2.

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