Daily Practice · Higher

Daily Practice - Higher

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

30th March 2009

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 16 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 11 in B only, 11 in both and 10 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 132 values. What cumulative frequency do you read across from to estimate the lower quartile?
4
Bounds2 marks
A mass is 33 kg, correct to the nearest whole number. Write down the upper bound.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x + 5)(x + 4).

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