Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 15
Answer: 36 + 15 = 51 -
2. Algebra Substitution
If x = 10, find the value of 6x + 9
Answer: 69 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 13, 20, 7, 8
Answer: 12