Daily Practice · Higher

Daily Practice - Higher

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

13th February 2011

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

1
Probability Trees3 marks
4 of 8 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 12 and a maximum of 37. Work out the range.
3
Standard Form3 marks
Work out (18 x 10^12) / (6 x 10^2). Give your answer in standard form.
4
Simultaneous Equations3 marks
3 teas and 4 cakes cost £17.75. 4 teas and 2 cakes cost £15.00. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 18. Work out y when x = 3.

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