Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 95
Answer: 21 + 95 = 116 -
2. Algebra Substitution
If x = 2, find the value of 5x + 10
Answer: 20 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 15, 9, 9, 7
Answer: 10