Keystones — Bedrock
Five GCSE retrieval questions · 17 May 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 22 + 23
Answer: 22 + 23 = 45 -
2. Algebra Substitution
If x = 8, find the value of 2x + 8
Answer: 24 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 7, 18, 6, 11
Answer: 10.5