Keystones — Bedrock
Five GCSE retrieval questions · 8 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 25
Answer: 26 + 25 = 51 -
2. Algebra Substitution
If x = 6, find the value of 8x + 3
Answer: 51 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 6, 5, 6, 17
Answer: 8.5