Keystones — Bedrock
Five GCSE retrieval questions · 22 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 45
Answer: 43 + 45 = 88 -
2. Algebra Substitution
If x = 7, find the value of 4x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 2, 10, 19
Answer: 10.333333333333