Keystones — Bedrock
Five GCSE retrieval questions · 26 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 65
Answer: 46 + 65 = 111 -
2. Algebra Substitution
If x = 8, find the value of 3x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 3, 18, 15, 7, 8
Answer: 10.2