Math Assessment: 3rd Grade (LS: 3.OA)

1. Which expression is represented by the model shown below?

2. Kai separated 36 index cards into 4 equal stacks.  Which number sentence could be used to determine the numbers of cards in each stack?

3. Hilda and Mallory each have the same number of seashells.

• Hilda sorted her seashells into 3 groups with 8 seashells in each group.
• Mallory sorted her seashells into 6 equal groups.

How many seashells were in each of the groups Mallory made?

4. Mr. Jacobs had 56 books in his office.  He put an equal number of books in each of 7 shelves.  The equation beloew can be used to determine the number of books he put on each shelf.

56 / 7 = _____

How many books, in all, did Mr. Jacobs put on each shelf?

5. Jerome had 23 farm animal stickers and 17 sea animal stickers. Jerome used all of the stickers to fill an 8-page scrapbook.  He put the same number of stickers on each page.  How many stickers did he put on each page?

6.  Which number sentence can be used to determine the value of 72 / 9?

7. What number goes in the blank to make the number sentence true?

12 X 2 = (____ X 2) + (2 X 2)