Keystones — Bedrock
Five GCSE retrieval questions · 12 January 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 12 + 42
Answer: 12 + 42 = 54 -
2. Algebra Substitution
If x = 7, find the value of 6x + 12
Answer: 54 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 9, 2, 20
Answer: 10.333333333333