Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 80
Answer: 52 + 80 = 132 -
2. Algebra Substitution
If x = 5, find the value of 2x + 9
Answer: 19 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 12, 10, 12, 19, 19
Answer: 14.4