Keystones — Bedrock
Five GCSE retrieval questions · 4 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 63
Answer: 77 + 63 = 140 -
2. Algebra Substitution
If x = 3, find the value of 6x + 11
Answer: 29 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 18, 19, 8
Answer: 15