Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 99
Answer: 79 + 99 = 178 -
2. Algebra Substitution
If x = 9, find the value of 6x + 5
Answer: 59 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 3, 12, 11
Answer: 8.6666666666667