Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 32
Answer: 35 + 32 = 67 -
2. Algebra Substitution
If x = 3, find the value of 7x + 8
Answer: 29 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 16, 20, 6, 17
Answer: 14.75