Keystones — Cornerstone
Five GCSE retrieval questions · 21 March 2021 · mathsvault.uk/keystones
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1. Number
What is 3.3 + 6.93 + 0.53?
Answer: 3.3 + 6.93 + 0.53 = 10.76 -
2. Algebra
What is the next term? 4, 8, 16, 32, ...
Answer: 64 -
3. Geometry
Find the hypotenuse of a right triangle with sides 5cm and 12cm
Answer: 13cm -
4. Ratio
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics
Calculate the mean of: 31, 43, 35, 44, 15, 37
Answer: 34.2