Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 23
Answer: 88 + 23 = 111 -
2. Algebra Substitution
If x = 6, find the value of 4x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 10, 10, 16, 8, 19
Answer: 12.6