Keystones — Bedrock
Five GCSE retrieval questions · 14 July 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 43 + 14
Answer: 43 + 14 = 57 -
2. Algebra Substitution
If x = 10, find the value of 3x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 21, 10, 5
Answer: 12