245 + 134
= 379
432 − 121
= 311
There are 235 balloons at a party. 120 balloons pop. How many balloons are left?
235 − 120 = 115 balloons
True or False: 456 + 244 = 700
true
368 + 217
= 585
705 − 283
= 422
Ms. Becerra has 348 pencils. She buys 275 more. How many pencils does she have now?
348 + 275 = 623 pencils
389 + ___ = 600
→ 211
489 + 326
= 815
864 − 459
= 405
A library has 890 books. 467 books are checked out. How many books are still in the library?
890 − 467 = 423 books
800 − ___ = 465
→ 335
675 + 248
= 923
900 − 376
= 524
There are 625 students on the playground. 289 go back to class. How many students remain outside?
625 − 289 = 336 students
Which is greater: 678 − 329 OR 456 + 123?
400: 678 − 329 = 349 and 456 + 123 = 579
→ 456 + 123 is greater
804 + 196
= 1,000
1,000 − 487
= 513
A store sold 478 items in the morning and 356 items in the afternoon. How many items did the store sell that day?
478 + 356 = 834 items
725 − 389 + 164
= 500