Keystones — Bedrock
Five GCSE retrieval questions · 27 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 12
Answer: 23 + 12 = 35 -
2. Algebra Substitution
If x = 6, find the value of 5x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 16, 16, 13, 9, 4
Answer: 11.6