Keystones — Bedrock
Five GCSE retrieval questions · 15 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 23
Answer: 97 + 23 = 120 -
2. Algebra Substitution
If x = 4, find the value of 5x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 18, 13, 12, 13, 3
Answer: 11.8