Keystones — Bedrock
Five GCSE retrieval questions · 17 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 84
Answer: 95 + 84 = 179 -
2. Algebra Substitution
If x = 2, find the value of 8x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 20, 16, 18, 3, 8
Answer: 13