Keystones — Bedrock
Five GCSE retrieval questions · 8 October 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 14 + 34
Answer: 14 + 34 = 48 -
2. Algebra Substitution
If x = 6, find the value of 3x + 11
Answer: 29 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 21, 8, 14
Answer: 14