Keystones — Bedrock
Five GCSE retrieval questions · 15 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 62
Answer: 91 + 62 = 153 -
2. Algebra Substitution
If x = 9, find the value of 7x + 11
Answer: 74 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 12, 5, 2, 12, 6
Answer: 7.4