Keystones — Bedrock
Five GCSE retrieval questions · 31 August 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 20 + 35
Answer: 20 + 35 = 55 -
2. Algebra Substitution
If x = 3, find the value of 2x + 12
Answer: 18 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 19, 2, 17, 18
Answer: 14