Examples for 9th grade

  1. The ball
  2. Gold inheritance
    dukat_1 The king divided the inheritance with his three sons in the ratio of 7: 6: 4. Two of them received 286,000 gold. How much each of the sons got.
  3. Rectangles
  4. Find the 3
  5. 2 pipes
  6. Square prism
  7. The length
  8. The tank
  9. Alaska vs Montana
  10. Minute average
  11. Bottles
  12. Bridge cards
  13. Car driver
  14. Area of garden
    garden_20 If the width of the rectangular garden is decreased by 2 meters and its length is increased by 5 meters, the area of the rectangle will be 0.2 ares larger. If the width and the length of the garden will increase by 3 meters, its original size will increa
  15. Four numbers
  16. Cube, cuboid, and sphere
  17. Repair pipe
  18. Expression with powers
  19. Triplets
  20. Klara
    tourists_6 Klara and Jitka went on a hiking trip at 13 o'clock at speed 5km/h. At 14 o'clock, Tomas ride on the bike at an average speed of 28 km/h. How many hours and at what distance from the beginning of the road Tomáš caught the two girls?


