Keystones — Bedrock
Five GCSE retrieval questions · 2 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 23
Answer: 24 + 23 = 47 -
2. Algebra Substitution
If x = 6, find the value of 6x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 8, 20
Answer: 11