Keystones — Bedrock
Five GCSE retrieval questions · 26 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 24
Answer: 47 + 24 = 71 -
2. Algebra Substitution
If x = 6, find the value of 5x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 18, 10, 6, 10
Answer: 11