Keystones — Bedrock
Five GCSE retrieval questions · 14 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 20
Answer: 13 + 20 = 33 -
2. Algebra Substitution
If x = 6, find the value of 7x + 3
Answer: 45 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 18, 16, 18
Answer: 17.333333333333