Keystones — Bedrock
Five GCSE retrieval questions · 13 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 56
Answer: 55 + 56 = 111 -
2. Algebra Substitution
If x = 10, find the value of 2x + 11
Answer: 31 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 12, 6, 13
Answer: 10.333333333333