Adding 3 Digit Numbers

Adding 3 Digit Numbers

Remember, we can use...

• Base 10 blocks

• Number Lines

• Decomposing (expanded form)

• OR Going to the Next 10

Solve this problem using a strategy

Mrs. Lawrence had 156 red beads and 275 blue beads. How many beads does Mrs. Lawrence have all together?

Multiple Choice

How many beads does Mrs. Lawrence have?

• 422

• 508

• 431

• 510

There are 327 students playing at recess. 196 more students come out to play. How many students are at recess now?

Multiple Choice

How many students are at recess now?

• 523

• 513

• 423

• 610

The library has 386 books. If the librarian adds 359 books, how many books are in the library now?

Multiple Choice

How many books are in the library now?

• 755

• 700

• 745

• 865