Daily Practice · Higher

Daily Practice - Higher

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

7th August 2005

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

1
Probability Trees3 marks
3 of 9 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 17 and a maximum of 39. Work out the range.
3
Bounds2 marks
A mass is 630 kg, correct to the nearest 10. Write down the lower bound.
4
Simultaneous Equations3 marks
4 teas and 3 cakes cost £11.15. 1 tea and 3 cakes cost £7.40. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 36. Work out y when x = 12.

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