Keystones — Bedrock
Five GCSE retrieval questions · 27 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 39
Answer: 12 + 39 = 51 -
2. Algebra Substitution
If x = 3, find the value of 3x + 10
Answer: 19 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 18, 2, 13
Answer: 11