Keystones — Bedrock
Five GCSE retrieval questions · 11 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 45
Answer: 22 + 45 = 67 -
2. Algebra Substitution
If x = 2, find the value of 8x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 14, 18
Answer: 12