Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 97
Answer: 66 + 97 = 163 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 19, 9, 19, 5
Answer: 13