Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 23
Answer: 54 + 23 = 77 -
2. Algebra Substitution
If x = 3, find the value of 6x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 8, 4, 11, 18, 9
Answer: 10