Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 14
Answer: 29 + 14 = 43 -
2. Algebra Substitution
If x = 10, find the value of 6x + 6
Answer: 66 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 19, 16, 15, 19
Answer: 17.25