Powell Elementary is having a book fair to raise money for new library books.  There were only 3 bookmarks left on the display at the book fair. The librarian put some more bookmarks on the counter, and now there are 12 bookmarks on the display. How many bookmarks did the librarian put on the counter?

Reed had some quarters to spend at the book fair. His mother gave him 6 more quarters, and now he has 14 quarters. How many quarters did Reed have to start with?

The librarian had some copies of the book, Peppa Pig, to sell at the book fair. She sold 7 copies on the first day and counted 10 copies left to sell during the rest of the week. How many copies of the book did the librarian start with?

The librarian started with 16 pet-shaped erasers to sell at the book fair. She sold some of the erasers on Monday and counted 8 erasers left to sell. How many pet-shaped erasers did the librarian sell on Monday?

John decided to keep track of the number of pages he had read in a book. During the first day, he read 73 pages. The second day he only read 10 more pages. The third day he read 100 more pages. How many total pages had John read by the second day?

John decided to keep track of the number of pages he had read in the book. During the first day, he read 73 pages. The second day he only read 10 more pages. The third day he read 100 more pages. How many total pages had John read by the third day?

Victoria decided to keep track of the number of pages she had left to read in the book. The chapter book has a total of 859 pages. On the first day, she read 10 pages. On the next day, she read 100 pages. How many pages does Victoria have left in her book on the first day? 

Victoria decided to keep track of the number of pages she had left to read in the book. The chapter book has a total of 859 pages. On the first day, she read 10 pages. On the next day, she read 100 pages.  How many pages did Victoria have left to read on the second day?

Shatina is helping the librarian count the items left at the end of the book fair. She counted 29 fancy pencils and 36 fancy pens.  

Determine if the number of fancy pencils left is an even or odd number.