Keystones — Bedrock
Five GCSE retrieval questions · 13 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 33
Answer: 21 + 33 = 54 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 17, 14, 7, 6
Answer: 11