Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 57
Answer: 20 + 57 = 77 -
2. Algebra Substitution
If x = 2, find the value of 8x + 6
Answer: 22 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 13, 15, 18, 18
Answer: 16