Keystones — Bedrock
Five GCSE retrieval questions · 17 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 12
Answer: 43 + 12 = 55 -
2. Algebra Substitution
If x = 7, find the value of 4x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 17, 2, 20, 6, 5
Answer: 10