Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 42
Answer: 49 + 42 = 91 -
2. Algebra Substitution
If x = 7, find the value of 3x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 10, 17, 15
Answer: 14