Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 30
Answer: 41 + 30 = 71 -
2. Algebra Substitution
If x = 3, find the value of 8x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 2, 13, 18
Answer: 11