Keystones — Bedrock
Five GCSE retrieval questions · 4 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 55
Answer: 83 + 55 = 138 -
2. Algebra Substitution
If x = 10, find the value of 3x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 10, 11, 10, 12, 17
Answer: 12