Daily Practice · Higher

Daily Practice - Higher

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

9th September 2020

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Speed and Density2 marks
A block has volume 170 cm^3 and density 4 g/cm^3. Work out its mass.
2
Vectors3 marks
a is the column vector (0, 5) and b is (5, 3). Work out 3a - 4b as a column vector.
3
Probability Trees3 marks
3 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
Four classes in order have frequencies 6, 9, 12, 11. Write down the cumulative frequency at the end of the third class.
5
Standard Form2 marks
Work out (4 x 10^5) x (5 x 10^2). Give your answer in standard form.

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