Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Pythagoras2 marks
A right-angled triangle has a hypotenuse of 26 cm and one shorter side of 24 cm. Work out the other shorter side.
- 2Venn Diagrams3 marks
In a Venn diagram, 5 are in A only, 15 in B only, 7 in both and 1 in neither. Work out the probability a random one is in both.
- 3Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.333... as a fraction in its simplest form.
- 5Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x - 2)(x - 5).
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