Daily Practice · Higher

Daily Practice - Higher

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

28th June 2008

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 minimum 14, lower quartile 16, median 22, upper quartile 32 and maximum 38. Work out the interquartile range.
3
Bounds2 marks
A mass is 22 kg, correct to the nearest whole number. Write down the upper bound.
4
Simultaneous Equations3 marks
4 teas and 1 cake cost £8.35. 2 teas and 2 cakes cost £8.60. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 36. Work out y when x = 6.

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