Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 20 + 68
Answer: 20 + 68 = 88 -
2. Algebra Substitution
If x = 6, find the value of 2x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 12, 2, 6, 15, 5
Answer: 8