Keystones — Bedrock
Five GCSE retrieval questions · 10 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 53
Answer: 89 + 53 = 142 -
2. Algebra Substitution
If x = 6, find the value of 2x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 16, 13, 17, 10
Answer: 14