Keystones — Bedrock
Five GCSE retrieval questions · 30 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 67 + 77
Answer: 67 + 77 = 144 -
2. Algebra Substitution
If x = 9, find the value of 5x + 8
Answer: 53 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 9, 16, 20
Answer: 15