Keystones — Bedrock
Five GCSE retrieval questions · 7 April 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 43 + 48
Answer: 43 + 48 = 91 -
2. Algebra Substitution
If x = 6, find the value of 3x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 11, 20, 16, 11, 17
Answer: 15