Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 63
Answer: 26 + 63 = 89 -
2. Algebra Substitution
If x = 2, find the value of 8x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 2, 17, 20
Answer: 13