Keystones — Bedrock
Five GCSE retrieval questions · 7 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 82
Answer: 70 + 82 = 152 -
2. Algebra Substitution
If x = 10, find the value of 2x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 11, 19
Answer: 14