Keystones — Bedrock
Five GCSE retrieval questions · 11 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 48
Answer: 16 + 48 = 64 -
2. Algebra Substitution
If x = 9, find the value of 5x + 3
Answer: 48 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 16, 7, 13
Answer: 12