Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 31
Answer: 49 + 31 = 80 -
2. Algebra Substitution
If x = 7, find the value of 4x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 19, 18, 7
Answer: 14.666666666667