Keystones — Bedrock
Five GCSE retrieval questions · 16 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 53
Answer: 53 + 53 = 106 -
2. Algebra Substitution
If x = 2, find the value of 4x + 12
Answer: 20 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 5, 14, 3, 14
Answer: 9