Keystones — Bedrock
Five GCSE retrieval questions · 14 September 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 50 + 98
Answer: 50 + 98 = 148 -
2. Algebra Substitution
If x = 2, find the value of 4x + 4
Answer: 12 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 7, 15, 8, 15, 6
Answer: 10.2