Keystones — Bedrock
Five GCSE retrieval questions · 20 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 48
Answer: 24 + 48 = 72 -
2. Algebra Substitution
If x = 3, find the value of 7x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 9, 8, 12, 16, 20
Answer: 13