Keystones — Bedrock
Five GCSE retrieval questions · 23 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 55
Answer: 76 + 55 = 131 -
2. Algebra Substitution
If x = 5, find the value of 2x + 9
Answer: 19 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 20, 2, 25, 9
Answer: 14