Daily Practice · Higher

Daily Practice - Higher

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

23rd October 2020

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

1
Probability Trees3 marks
1 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
3
Standard Form2 marks
Work out (3 x 10^8) x (8 x 10^-6). Give your answer in standard form.
4
Equation of a Line3 marks
A line has gradient 4 and passes through (4, 8). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 70. Work out y when x = 9.

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