Daily Practice · Higher

Daily Practice - Higher

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

4th December 2022

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

1
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 12. Work out y when x = 6.
2
Vectors3 marks
a is the column vector (0, -4) and b is (5, -2). Work out 3a - 3b as a column vector.
3
Probability Trees3 marks
1 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has a minimum of 8 and a maximum of 51. Work out the range.
5
Standard Form3 marks
Work out (40 x 10^11) / (8 x 10^2). Give your answer in standard form.

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