3 Digit Addition
29 + 15 + 26 + 19 =
89
You need 400 blocks to build a tower. You have 216 red blocks and 193 blue blocks. Do you have enough blocks? How do you know?
Yes, we have 409 blocks in all.
32 + 38 + 19 + 14 =
103
You have 400 stickers. You use 258 stickers. How many stickers are left?
142
643 + 231
874
620 + 100 =
720
There are some people at a park. 115 of them leave. There are 445 people left. How many people were at the park to start?
560
232 + 348
580
Show this problem on an open number line:
230 + 120 = 350
TBD
A farmer has 386 apple trees and 229 orange trees. He needs to sell 600 pieces of fruit. Does he have enough? How do you know?
Yes, he has 615 pieces of fruit.
Complete the equation using these numbers:
430 530
_____ - 100 = _______
530 - 100 = 430
Mrs. Daley packed 412 boxes for her move. Her kids packed 97. How many boxes did they pack in all?
509 boxes