Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 47
Answer: 62 + 47 = 109 -
2. Algebra Substitution
If x = 4, find the value of 3x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 5, 19, 7, 2, 2
Answer: 7