Keystones — Bedrock
Five GCSE retrieval questions · 7 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 35
Answer: 35 + 35 = 70 -
2. Algebra Substitution
If x = 6, find the value of 8x + 10
Answer: 58 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 20, 12, 14, 5, 7
Answer: 11.6