Keystones — Bedrock
Five GCSE retrieval questions · 28 February 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 67 + 77
Answer: 67 + 77 = 144 -
2. Algebra Substitution
If x = 9, find the value of 3x + 5
Answer: 32 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 10, 12, 20, 4
Answer: 11.5