Keystones — Bedrock
Five GCSE retrieval questions · 17 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 29
Answer: 13 + 29 = 42 -
2. Algebra Substitution
If x = 5, find the value of 5x + 12
Answer: 37 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 19, 12, 17, 20
Answer: 17