Daily Practice · Higher

Daily Practice - Higher

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

8th April 2022

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

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 36. Work out y when x = 7.
2
Vectors3 marks
a is the column vector (2, 3) and b is (-2, 0). Work out 3a - 2b as a column vector.
3
Probability Trees3 marks
4 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
5
The Product Rule for Counting2 marks
A meal deal has 8 mains, 4 sides and 6 drinks. How many different meals are possible?

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