Daily Practice · Higher

Daily Practice - Higher

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

3rd February 2012

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
2
Fractional and Negative Indices2 marks
Write 5^-2 as a fraction.
3
Expanding Triple Brackets3 marks
Expand and simplify (x + 1)(x - 5)(x + 2).
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 22. Work out y when x = 11.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 17 cm and one shorter side of 15 cm. Work out the other shorter side.

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