Keystones — Bedrock
Five GCSE retrieval questions · 11 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 31
Answer: 35 + 31 = 66 -
2. Algebra Substitution
If x = 2, find the value of 4x + 8
Answer: 16 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 3, 11, 11
Answer: 11