Keystones — Bedrock
Five GCSE retrieval questions · 23 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 84
Answer: 99 + 84 = 183 -
2. Algebra Substitution
If x = 4, find the value of 3x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 19, 15, 5, 8
Answer: 11.75