Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 42 + 49
Answer: 42 + 49 = 91 -
2. Algebra Substitution
If x = 9, find the value of 8x + 3
Answer: 75 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 11, 8, 12, 16, 9
Answer: 11.2