Daily Practice · Higher

Daily Practice - Higher

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

7th April 2012

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 10 cm and one shorter side of 6 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 4 are in A only, 11 in B only, 6 in both and 4 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 8, lower quartile 11, median 21, upper quartile 23 and maximum 31. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 16^(3/2).
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 1)(x + 1)(x + 2).

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