Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 42
Answer: 36 + 42 = 78 -
2. Algebra Substitution
If x = 3, find the value of 7x + 8
Answer: 29 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 18, 2, 17, 3
Answer: 10