Keystones — Bedrock
Five GCSE retrieval questions · 28 May 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 70
Answer: 66 + 70 = 136 -
2. Algebra Substitution
If x = 6, find the value of 2x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 15, 20, 8, 16
Answer: 14.75