Keystones — Bedrock
Five GCSE retrieval questions · 18 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 20
Answer: 11 + 20 = 31 -
2. Algebra Substitution
If x = 6, find the value of 8x + 3
Answer: 51 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:6
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 12, 9, 6
Answer: 9