Keystones — Bedrock
Five GCSE retrieval questions · 29 September 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 22
Answer: 42 + 22 = 64 -
2. Algebra Substitution
If x = 2, find the value of 5x + 6
Answer: 16 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 11, 17, 7
Answer: 11.666666666667