Keystones — Bedrock
Five GCSE retrieval questions · 15 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 11
Answer: 46 + 11 = 57 -
2. Algebra Substitution
If x = 5, find the value of 6x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 12, 5, 18, 9, 19
Answer: 12.6