Keystones — Bedrock
Five GCSE retrieval questions · 25 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 43
Answer: 70 + 43 = 113 -
2. Algebra Substitution
If x = 9, find the value of 8x + 8
Answer: 80 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 19, 12, 11, 12, 10
Answer: 12.8