Daily Practice · Higher

Daily Practice - Higher

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

1st September 2007

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 9 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 16 in B only, 9 in both and 1 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 11, lower quartile 18, median 20, upper quartile 28 and maximum 35. Work out the interquartile range.
4
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7373... as a fraction in its simplest form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 1)(x - 1)(x + 1).

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