Keystones — Bedrock
Five GCSE retrieval questions · 12 October 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 49 + 48
Answer: 49 + 48 = 97 -
2. Algebra Substitution
If x = 5, find the value of 2x + 8
Answer: 18 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 9, 15, 12
Answer: 10