Keystones — Lintel
Five GCSE retrieval questions · 29 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 710
Answer: 1707 -
2. Algebra
Solve: 8x = 104
Answer: x = 13 -
3. Geometry
Opposite = 13cm, adjacent = 17cm. Calculate the angle
Answer: 37.4° -
4. Ratio
Calculate 19.7% of 866
Answer: 170.6 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3