Keystones — Bedrock
Five GCSE retrieval questions · 18 March 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 78 + 42
Answer: 78 + 42 = 120 -
2. Algebra Substitution
If x = 6, find the value of 3x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 8, 19
Answer: 11.666666666667