Keystones — Bedrock
Five GCSE retrieval questions · 28 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 35
Answer: 17 + 35 = 52 -
2. Algebra Substitution
If x = 2, find the value of 8x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 6, 9
Answer: 9.3333333333333