Keystones — Bedrock
Five GCSE retrieval questions · 25 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 98
Answer: 71 + 98 = 169 -
2. Algebra Substitution
If x = 2, find the value of 5x + 9
Answer: 19 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 15, 19, 11
Answer: 15