Keystones — Bedrock
Five GCSE retrieval questions · 10 February 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 33 + 28
Answer: 33 + 28 = 61 -
2. Algebra Substitution
If x = 8, find the value of 4x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 15, 8, 6, 11, 20
Answer: 12