Keystones — Bedrock
Five GCSE retrieval questions · 5 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 56
Answer: 21 + 56 = 77 -
2. Algebra Substitution
If x = 4, find the value of 3x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 10, 12, 18
Answer: 13.333333333333