Keystones — Bedrock
Five GCSE retrieval questions · 24 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 30
Answer: 23 + 30 = 53 -
2. Algebra Substitution
If x = 3, find the value of 4x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 13, 16, 20, 15
Answer: 16