Keystones — Bedrock
Five GCSE retrieval questions · 9 February 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 21 + 11
Answer: 21 + 11 = 32 -
2. Algebra Substitution
If x = 9, find the value of 5x + 7
Answer: 52 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 8, 7, 3
Answer: 6