Keystones — Bedrock
Five GCSE retrieval questions · 27 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 74
Answer: 21 + 74 = 95 -
2. Algebra Substitution
If x = 5, find the value of 8x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 6, 12, 14, 13, 10
Answer: 11