Keystones — Bedrock
Five GCSE retrieval questions · 22 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 43
Answer: 97 + 43 = 140 -
2. Algebra Substitution
If x = 4, find the value of 8x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 2, 12, 2, 12
Answer: 8