Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 18
Answer: 20 + 18 = 38 -
2. Algebra Substitution
If x = 5, find the value of 8x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 17, 14, 2, 4, 13
Answer: 10