Keystones — Bedrock
Five GCSE retrieval questions · 13 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 36
Answer: 31 + 36 = 67 -
2. Algebra Substitution
If x = 2, find the value of 6x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 4, 2, 20
Answer: 8.6666666666667