Keystones — Bedrock
Five GCSE retrieval questions · 1 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 40
Answer: 10 + 40 = 50 -
2. Algebra Substitution
If x = 10, find the value of 7x + 8
Answer: 78 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 10, 3, 20
Answer: 11