Keystones — Bedrock
Five GCSE retrieval questions · 24 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 21
Answer: 29 + 21 = 50 -
2. Algebra Substitution
If x = 4, find the value of 4x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 4, 11, 19, 16, 20
Answer: 14