Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 46
Answer: 63 + 46 = 109 -
2. Algebra Substitution
If x = 8, find the value of 2x + 5
Answer: 21 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 13, 19, 5, 19, 14
Answer: 14