Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 94
Answer: 33 + 94 = 127 -
2. Algebra Substitution
If x = 9, find the value of 6x + 11
Answer: 65 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 15, 12, 6, 20, 2
Answer: 11