Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 45
Answer: 42 + 45 = 87 -
2. Algebra Substitution
If x = 8, find the value of 4x + 6
Answer: 38 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 14, 2, 18, 14
Answer: 12