Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 42 + 48
Answer: 42 + 48 = 90 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 18, 9, 12, 8
Answer: 11.75