Keystones — Bedrock
Five GCSE retrieval questions · 17 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 41
Answer: 43 + 41 = 84 -
2. Algebra Substitution
If x = 4, find the value of 7x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 20, 10, 16
Answer: 15.333333333333