OC Cheat Sheet 2026

The 30 highest-yield OC facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which sentence uses the word 'affect' correctly? → Cold weather can affect your health.
2. Which of the following is most similar in meaning to sad: → Unhappy
3. What fraction of 60 is 15? → 1/4
4. What does the Eisenhower Matrix help with? → Prioritizing tasks based on urgency and importance
5. What is the missing number: 7, ___, 21, 28, 35? → 14
6. What is the median of: 3, 7, 9, 15, 21? → 9
7. A story's climax is best described as: → The highest point of tension in the story
8. Which of the following is NOT necessarily a property of a parallelogram? → All angles are right angles
9. If 4x + 5 = 25, what is the value of x? → 5
10. What is a key benefit of using a time management app? → It helps organize and track tasks and deadlines
11. What 3D shape is formed when a circle is rotated around its diameter? → Sphere
12. Which word is a synonym for 'ancient'? → Archaic
13. A container has 3.6 liters of juice poured equally into 8 cups. How much juice is in each cup? → 0.45 L
14. In a 4×4 grid, how many individual 1×1 squares are there? → 16
15. A shape is reflected across a vertical line of symmetry. Where does the reflected shape appear? → To the right of the original
16. A book has 320 pages. Maya reads 1/4 on Monday and 2/5 on Tuesday. How many pages remain? → 112
17. Organization and coherence are essential to making composition clear and logical. → TRUE
18. A plumber charges $50 for the first hour and $35 for each additional hour. What is the cost for 4 hours? → $155
19. Identify the preposition in: "The cat sat under the table." → under
20. A square has a perimeter of 36 cm. What is its area? → 81 sq cm
21. Which shape has more than 2 lines of symmetry? → Equilateral triangle
22. A pattern repeats: triangle, circle, square, triangle, circle, square... What is the 11th shape? → Circle
23. If 6 pens cost $4.50, what is the cost of 10 pens? → $7.50
24. If pencils cost $0.35 each, how much do 20 pencils cost? → $7.00
25. What does the idiom 'bite the bullet' mean? → To endure a painful situation with courage
26. What does "synonym" mean? → A word with the same or similar meaning
27. What literary device is used in: "The thunder grumbled angrily"? → Personification
28. Which is a compound sentence? → Lisa sang, and Marco danced.
29. What is the purpose of setting SMART goals? → To set clear, achievable, and measurable goals
30. If the code for CAT is 3-1-20 (C=3, A=1, T=20), what is the code for DOG? → 4-15-7