Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 19
Answer: 15 + 19 = 34 -
2. Algebra Substitution
If x = 8, find the value of 2x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 20, 10, 12, 16
Answer: 14.5