Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 30 + 31
Answer: 30 + 31 = 61 -
2. Algebra Substitution
If x = 6, find the value of 8x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 5, 18, 18
Answer: 13.666666666667