Keystones — Bedrock
Five GCSE retrieval questions · 5 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 51
Answer: 31 + 51 = 82 -
2. Algebra Substitution
If x = 8, find the value of 7x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 9, 7, 12
Answer: 9.3333333333333