Keystones — Bedrock
Five GCSE retrieval questions · 24 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 36
Answer: 91 + 36 = 127 -
2. Algebra Substitution
If x = 6, find the value of 6x + 12
Answer: 48 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 15, 7, 14, 13, 13
Answer: 12.4