Keystones — Bedrock
Five GCSE retrieval questions · 18 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 32
Answer: 20 + 32 = 52 -
2. Algebra Substitution
If x = 10, find the value of 7x + 7
Answer: 77 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 20, 19, 17, 14
Answer: 17.5