Keystones — Bedrock
Five GCSE retrieval questions · 27 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 30
Answer: 43 + 30 = 73 -
2. Algebra Substitution
If x = 10, find the value of 8x + 11
Answer: 91 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 14, 10, 18
Answer: 14