Daily Practice · Higher

Daily Practice - Higher

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

11th August 2018

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 minimum 10, lower quartile 12, median 18, upper quartile 25 and maximum 27. Work out the interquartile range.
3
Bounds2 marks
A mass is 25.7 kg, correct to 1 decimal place. Write down the lower bound.
4
Simultaneous Equations3 marks
4 teas and 2 cakes cost £16.30. 3 teas and 3 cakes cost £17.10. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 28. Work out y when x = 9.

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