Unit 3 Math Review

Ms. Park wrote a number sentence on the board.

_______ - 289 = 309

Which word problem could Mrs. Gaines use to solve the number sentence?

• Susan is reading a book. She has read 289 pages. She still need to read 309 more pages. How many pages are in the book?

• Susan is reading a book that is 309 pages. She has read 320 pages. How many pages does Susan have left to finish reading the book?

• Susan read 309 pages of her book the first week. The book is 289 pages. How may pages does Susan have left to finish reading the book?

Joni has a collection of coins.

Which of the following best shows the amount of Joni’s collection of coins?

• $0.47¢

• $4.7¢

• 47¢

Mrs. Gaines has 18 students enrolled in choir. Seven students were absent on Wednesday. How many students were in choir on Wednesday?

• 11 students

• 25 students

• 12 students

There are 41 people in the movie theater. Some people left for the restroom. Now there are 30 people in the movie theater. How many people left for the restroom?

• 17 people

• 11 people

• 71 people

A dance studio taught 424 students in January. In February, 523 more students were taught. How many students were taught by the dance studio in January and February?

• 865

• 947

• 878

In the school cafeteria there are 756 trays. Ms. Janice counted 54 trays in Miss Stokx’s room. What is the total number of trays in the school cafeteria that are not in Miss Stokx’s room?

• 810 trays

• 613 trays

• 702 trays

Gabriel likes Snickers. A Snickers bar cost 90¢. Which set of coins is equal to the cost of the Snickers bar?

• 
• 
• 

Ms. Vicki made a chart showing how many second graders liked each animal.

How many more students like a snake than a cheetah?

• 24 students

• 12 students

• 11 students

Which coin collection has a value of 93¢?

• 
• 
• 

Jerry is saving money to buy an iPad that cost $550. Jerry has saved $300 so far. His Grandmother paid him $45 for helping her watch the dog. How much more money does Jerry need to save to buy the iPad?

• $250

• $205

• $209