Three Digit Adding and Subtracting

Ms. Lane drove 278 miles on Tuesday and 342 miles on Wednesday. How many miles did she drive in all?

• 600

• 602

• 620

• 700

The zoo has 624 animals. We saw 235 animals during our visit. How many animals do we still need to see?

• 389

• 398

• 289

490 -163 = ?

• 653

• 337

• 327

781 - 462 = ?

• 332

• 319

• 232

I collected 341 stickers in my sticker book. I shared 293 stickers with my friends. How many stickers do I have left?

• 48

• 634

• 58

364 - 127 =

• 243

• 443

• 483

• 237

653 - 419 = 

• 246

• 236

• 262

• 234

579 + 358 = ?

• 827

• 937

• 828

• 81217

Allison added 157 to 296 and got 343.
This is not the correct answer.
What did Allison do wrong?

• She did not regroup

• She subtracted

• She multiplied

• She did not add the hundreds place