Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 15
Answer: 17 + 15 = 32 -
2. Algebra Substitution
If x = 2, find the value of 7x + 12
Answer: 26 -
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: 19, 2, 15
Answer: 12