Keystones — Bedrock
Five GCSE retrieval questions · 1 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 77
Answer: 98 + 77 = 175 -
2. Algebra Substitution
If x = 5, find the value of 8x + 10
Answer: 50 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 16, 15, 11, 18
Answer: 15