Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 54
Answer: 77 + 54 = 131 -
2. Algebra Substitution
If x = 5, find the value of 3x + 12
Answer: 27 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 8, 11, 12, 19, 16
Answer: 13.2