Keystones — Bedrock
Five GCSE retrieval questions · 9 December 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 43 + 93
Answer: 43 + 93 = 136 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 16, 3, 12, 9, 6
Answer: 9.2