Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 97
Answer: 35 + 97 = 132 -
2. Algebra Substitution
If x = 2, find the value of 5x + 8
Answer: 18 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 4, 14, 21
Answer: 13