Keystones — Bedrock
Five GCSE retrieval questions · 2 May 2022 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 20 + 21
Answer: 20 + 21 = 41 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 20, 17, 17, 14
Answer: 17