Keystones — Bedrock
Five GCSE retrieval questions · 18 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 14
Answer: 21 + 14 = 35 -
2. Algebra Substitution
If x = 10, find the value of 7x + 5
Answer: 75 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 8, 6, 10, 6, 16
Answer: 9.2