Keystones — Bedrock
Five GCSE retrieval questions · 7 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 35
Answer: 43 + 35 = 78 -
2. Algebra Substitution
If x = 7, find the value of 8x + 7
Answer: 63 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 19, 17, 3
Answer: 13