Keystones — Bedrock
Five GCSE retrieval questions · 23 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 32
Answer: 49 + 32 = 81 -
2. Algebra Substitution
If x = 5, find the value of 3x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 15, 2, 10, 2, 18
Answer: 9.4