Keystones — Bedrock
Five GCSE retrieval questions · 11 May 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 35
Answer: 33 + 35 = 68 -
2. Algebra Substitution
If x = 6, find the value of 4x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 17, 10, 9
Answer: 12