Keystones — Bedrock
Five GCSE retrieval questions · 1 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 21
Answer: 13 + 21 = 34 -
2. Algebra Substitution
If x = 6, find the value of 8x + 6
Answer: 54 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 10, 19, 23, 8
Answer: 15