Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 19
Answer: 33 + 19 = 52 -
2. Algebra Substitution
If x = 8, find the value of 5x + 9
Answer: 49 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 10, 3, 15, 16
Answer: 11