Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 91
Answer: 88 + 91 = 179 -
2. Algebra Substitution
If x = 7, find the value of 7x + 3
Answer: 52 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 9, 20, 17, 6
Answer: 13