1. A fruit basket contains 25 pieces of fruit. If 14 of them are apples, the number of oranges is ___.
2. A video game costs 40 dollars. If Maya has saved 28 dollars, how much more money does she need to buy the game?
3. A farm has 50 animals in a barn. 32 of them are cows, and the rest are sheep. There are ___ sheep in the barn.
4. Sarah has a collection of 45 seashells. If 19 are white and the rest are brown, which equation finds the number of brown seashells?
5. A storybook has 80 pages. If David has read 45 pages, he has ___ pages left to read.
6. A fish tank contains 32 fish in total. If 19 of the fish are guppies and the rest are tetras, how many tetras are in the tank? There are ___ tetras.
7. Leo built a tower with 18 blocks. He added more blocks until the tower was 40 blocks tall. If $b$ represents the blocks he added, which equation shows this situation?
8. A large spherical globe has a radius of 6 inches. Using $3.14$ for $\pi$, the volume of the globe is ___ cubic inches.
9. A spherical ornament has a diameter of 60 millimeters. Using $3.14$ for $\pi$, what is its volume in cubic millimeters?
10. Alex is saving 80 dollars for a new game. He earned 25 dollars from chores and received 32 dollars for his birthday. He needs to save ___ more dollars.