Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 39
Answer: 49 + 39 = 88 -
2. Algebra Substitution
If x = 10, find the value of 6x + 5
Answer: 65 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 3, 9
Answer: 8