Keystones — Bedrock
Five GCSE retrieval questions · 11 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 34
Answer: 99 + 34 = 133 -
2. Algebra Substitution
If x = 2, find the value of 2x + 4
Answer: 8 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 1, 10, 9, 12
Answer: 8