Keystones — Bedrock
Five GCSE retrieval questions · 21 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 66
Answer: 79 + 66 = 145 -
2. Algebra Substitution
If x = 2, find the value of 3x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 16, 6, 14, 12, 2
Answer: 10