Keystones — Bedrock
Five GCSE retrieval questions · 17 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 46
Answer: 93 + 46 = 139 -
2. Algebra Substitution
If x = 5, find the value of 8x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 3, 19, 3, 18, 6
Answer: 9.8