Keystones — Bedrock
Five GCSE retrieval questions · 2 August 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 20 + 35
Answer: 20 + 35 = 55 -
2. Algebra Substitution
If x = 10, find the value of 2x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 7, 5, 21
Answer: 11