Keystones — Bedrock
Five GCSE retrieval questions · 12 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 83
Answer: 79 + 83 = 162 -
2. Algebra Substitution
If x = 4, find the value of 8x + 12
Answer: 44 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 18, 19, 2, 3, 7
Answer: 9.8