Mathematics - Grade 8 - Questions Page 1 of 25 1. Simplify: 4x + 3x – 2A. 7x – 2 B. 4x + xC. 3x – 2D. 7x + 2 A B C D Page 2 of 25 2. Solve the equation: 2x – 5 = 11A. x = 3B. x = 7 C. x = 8D. x = 16 A B C D Page 3 of 25 3. What is the gradient of the line y = 3x + 2?A. 2B. 3 C. 5D. –3 A B C D Page 4 of 25 4. How many degrees in the sum of the interior angles of a triangle?A. 90°B. 180° C. 270°D. 360° A B C D Page 5 of 25 5. In a rectangle, one angle is 90°. What are the other angles?A. 90°, 60°, 90°B. 90°, 90°, 90° C. 120°, 60°, 90°D. 180°, 0°, 0° A B C D Page 6 of 25 6. A circle has a diameter of 14 cm. What is its radius?A. 7 cm B. 14 cmC. 28 cmD. 10 cm A B C D Page 7 of 25 7. A cube has side length 5 cm. What is its volume?A. 125 cm³ B. 25 cm³C. 100 cm³D. 150 cm³ A B C D Page 8 of 25 8. Find the surface area of a cuboid with dimensions 3 cm × 4 cm × 5 cm.A. 94 cm² B. 60 cm²C. 120 cm²D. 100 cm² A B C D Page 9 of 25 9. Which graph is best for showing percentages of different categories?A. Bar graphB. Line graphC. Pie chart D. Histogram A B C D Page 10 of 25 10. What is the mean of these numbers: 2, 4, 6, 8, 10?A. 6 B. 5C. 7D. 8 A B C D Page 11 of 25 11. The ratio of boys to girls is 2:3. What is the total number of students if there are 10 boys?A. 25 B. 15C. 20D. 30 A B C D Page 12 of 25 12. A shirt costs Rp120.000 and is discounted 25%. What is the price after discount?A. Rp100.000B. Rp90.000 C. Rp95.000D. Rp85.000 A B C D Page 13 of 25 13. If a car travels 180 km in 3 hours, what is its speed?A. 50 km/hB. 60 km/hC. 70 km/hD. 90 km/h A B C D Page 14 of 25 14. You have Rp100.000. You buy snacks for Rp38.500 and drinks for Rp25.000. How much is your change?A. Rp36.500 B. Rp40.000C. Rp50.000D. Rp30.000 A B C D Page 15 of 25 15. A recipe needs 3 cups of flour to make 6 pancakes. How many cups for 18 pancakes?A. 6B. 8C. 9 D. 12 A B C D Page 16 of 25 16. What number comes next: 5, 10, 20, 40, ___?A. 50B. 60C. 80 D. 100 A B C D Page 17 of 25 17. Estimate: 198 × 51 =A. 10,000B. 9,000C. 9,800 D. 11,000 A B C D Page 18 of 25 18. Which number is a perfect square?A. 20B. 36 C. 45D. 50 A B C D Page 19 of 25 19. Which set has a different pattern?A. 2, 4, 6, 8B. 3, 6, 9, 12C. 5, 10, 20, 40D. 7, 14, 21, 30 A B C D Page 20 of 25 20. Which is the best estimate for √50?A. 6.2 B. 5.5C. 7D. 8 A B C D Page 21 of 25 21. If 5 pencils cost Rp10.000, how much for 8 pencils?A. Rp14.000 B. Rp16.000C. Rp13.000D. Rp15.000 A B C D Page 22 of 25 22. You need 2 liters of paint to cover 10 m². How much paint for 25 m²?A. 5 liters B. 4 litersC. 6 litersD. 3 liters A B C D Page 23 of 25 23. Which shape does NOT have any straight sides?A. TriangleB. SquareC. Circle D. Rectangle A B C D Page 24 of 25 24. A box contains 3 red, 2 green, and 5 blue marbles. What is the probability of picking a green marble?A. 1/5 B. 1/2C. 2/10D. 3/10 A B C D Page 25 of 25 25. Which of these is likely a trick question? "If 1 = 2, 2 = 3, then 3 = ?"A. 4B. 3C. 5D. The question makes no sense A B C D Ready to sendPlease provide your contact information to proceed.Email Address *Full Name *Consent *Yes, I agree with the privacy policy and terms and conditions.Start Quiz
