Keystones — Bedrock
Five GCSE retrieval questions · 12 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 23
Answer: 32 + 23 = 55 -
2. Algebra Substitution
If x = 9, find the value of 6x + 4
Answer: 58 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 18, 8, 3, 7
Answer: 9