Keystones — Bedrock
Five GCSE retrieval questions · 2 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 29
Answer: 45 + 29 = 74 -
2. Algebra Substitution
If x = 10, find the value of 3x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 2, 17, 20, 16, 3
Answer: 11.6