Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 98
Answer: 97 + 98 = 195 -
2. Algebra Substitution
If x = 4, find the value of 3x + 6
Answer: 18 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 18, 11, 6, 10, 8
Answer: 10.6