Keystones — Bedrock
Five GCSE retrieval questions · 18 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 22
Answer: 49 + 22 = 71 -
2. Algebra Substitution
If x = 10, find the value of 7x + 6
Answer: 76 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 19, 4, 15, 17, 10
Answer: 13