Keystones — Bedrock
Five GCSE retrieval questions · 22 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 24
Answer: 17 + 24 = 41 -
2. Algebra Substitution
If x = 7, find the value of 4x + 7
Answer: 35 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 10, 6, 15, 13, 2
Answer: 9.2