Keystones — Bedrock
Five GCSE retrieval questions · 8 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 33
Answer: 36 + 33 = 69 -
2. Algebra Substitution
If x = 5, find the value of 2x + 12
Answer: 22 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 12, 9, 6, 17, 7
Answer: 10.2