Keystones — Bedrock
Five GCSE retrieval questions · 24 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 19
Answer: 32 + 19 = 51 -
2. Algebra Substitution
If x = 10, find the value of 8x + 5
Answer: 85 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 8, 16, 1, 18, 12
Answer: 11