Keystones — Bedrock
Five GCSE retrieval questions · 26 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 36
Answer: 31 + 36 = 67 -
2. Algebra Substitution
If x = 5, find the value of 4x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 4, 5, 8, 17, 16
Answer: 10