Keystones — Bedrock
Five GCSE retrieval questions · 7 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 29
Answer: 39 + 29 = 68 -
2. Algebra Substitution
If x = 3, find the value of 6x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 15, 3, 19, 10, 16
Answer: 12.6