Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 88
Answer: 55 + 88 = 143 -
2. Algebra Substitution
If x = 2, find the value of 6x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 15, 20, 6
Answer: 13.666666666667