Keystones — Bedrock
Five GCSE retrieval questions · 20 March 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 21
Answer: 56 + 21 = 77 -
2. Algebra Substitution
If x = 9, find the value of 6x + 11
Answer: 65 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 5, 17, 13, 15, 5
Answer: 11