Keystones — Bedrock
Five GCSE retrieval questions · 3 April 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 21
Answer: 39 + 21 = 60 -
2. Algebra Substitution
If x = 2, find the value of 4x + 4
Answer: 12 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 17, 11, 9, 15
Answer: 13