Keystones — Bedrock
Five GCSE retrieval questions · 17 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 31
Answer: 57 + 31 = 88 -
2. Algebra Substitution
If x = 7, find the value of 4x + 12
Answer: 40 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 10, 12, 14, 5
Answer: 10.25