Keystones — Bedrock
Five GCSE retrieval questions · 19 May 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 72 + 82
Answer: 72 + 82 = 154 -
2. Algebra Substitution
If x = 9, find the value of 4x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 8, 20, 15, 12, 4
Answer: 11.8