Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 63
Answer: 50 + 63 = 113 -
2. Algebra Substitution
If x = 3, find the value of 3x + 11
Answer: 20 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 14, 11
Answer: 14