Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2022 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 12 + 11
Answer: 12 + 11 = 23 -
2. Algebra Substitution
If x = 9, find the value of 8x + 9
Answer: 81 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 3, 2, 12, 5, 20
Answer: 8.4