Keystones — Bedrock
Five GCSE retrieval questions · 7 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 86
Answer: 48 + 86 = 134 -
2. Algebra Substitution
If x = 2, find the value of 4x + 4
Answer: 12 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 19, 6, 3, 16
Answer: 11