Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 13
Answer: 16 + 13 = 29 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 11, 6, 21, 14
Answer: 13