Daily Practice · Higher

Daily Practice - Higher

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

24th October 2007

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

1
Speed and Density2 marks
A block has volume 100 cm^3 and density 2.5 g/cm^3. Work out its mass.
2
Vectors3 marks
a is the column vector (-2, -6) and b is (-6, -4). Work out 2a - 4b as a column vector.
3
Probability Trees3 marks
5 of 8 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 4, 9, 10, 7. Write down the cumulative frequency at the end of the third class.
5
The Product Rule for Counting2 marks
A meal deal has 6 mains, 4 sides and 4 drinks. How many different meals are possible?

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