Keystones — Bedrock
Five GCSE retrieval questions · 26 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 21
Answer: 65 + 21 = 86 -
2. Algebra Substitution
If x = 8, find the value of 5x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 5, 3, 11, 2
Answer: 5