Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 25
Answer: 12 + 25 = 37 -
2. Algebra Substitution
If x = 2, find the value of 8x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 11, 4, 9
Answer: 8