Keystones — Bedrock
Five GCSE retrieval questions · 24 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 58
Answer: 99 + 58 = 157 -
2. Algebra Substitution
If x = 2, find the value of 2x + 11
Answer: 15 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 18, 8, 20, 6
Answer: 13