Daily Practice · Higher

Daily Practice - Higher

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

31st March 2019

5 questions · 13 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 = 3.
2
Vectors3 marks
a is the column vector (-1, 0) and b is (2, 3). Work out 4a - 4b as a column vector.
3
Probability Trees3 marks
6 of 8 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 10 and a maximum of 64. Work out the range.
5
Standard Form2 marks
Work out (9 x 10^8) x (8 x 10^4). Give your answer in standard form.

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