Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 31
Answer: 41 + 31 = 72 -
2. Algebra Substitution
If x = 8, find the value of 4x + 12
Answer: 44 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 15, 16, 3, 4, 5
Answer: 8.6