3-Digit Addition (No Regrouping)
3-Digit Addition (With Regrouping)
3-Digit Subtraction (No Regrouping)
3-Digit Subtraction (With Regrouping)
Mixed 3-Digit Strategy (Add & Subtract)
4-Digit Championship
100

314 + 265

Answer: 579

100

278 + 165

Answer: 443

100

864 − 321

Answer: 543

100

503 − 278

Answer: 225

100

648 + 257 − 184

Answer: 721

100

3,245 + 4,389

Answer: 7,634

200

742 + 156

Answer: 898

200

489 + 376

Answer: 865

200

975 − 452

Answer: 523

200

704 − 389

Answer: 315

200

732 − 368 + 145

Answer: 509

200

5,706 − 2,589

Answer: 3,117

300

503 + 296

Answer: 799

300

DAILY DOUBLE
597 + 284

Answer: 881

300

742 − 231

Answer: 511

300

802 − 467

Answer: 335

300

589 + 296 − 375

Answer: 510

300

4,578 + 2,946

Answer: 7,524

400

421 + 357

Answer: 778


400

764 + 198

Answer: 962

400

DAILY DOUBLE
993 − 468

Answer: 525

400

615 − 287

Answer: 328

400

DAILY DOUBLE
843 − 457 + 219

Answer: 605

400

DAILY DOUBLE
6,200 − 3,875

Answer: 2,325

500

632 + 147

Answer: 779

500

875 + 268

Answer: 1,143

500

689 − 457

Answer: 232

500

DAILY DOUBLE 

900 − 478

Answer: 422

500

456 + 389 − 278

Answer: 567

500

3,895 + 4,768

Answer: 8,663

600

850 + 129

Answer: 979

600

693 + 459

Answer: 1,152

600

556 − 134

Answer: 422

600

731 − 586

Answer: 145

600

920 − 485 + 164

Answer: 599

600

7,000 − 4,486

Answer: 2,514

700

A farm planted 248 trees in one field, 326 in another, and 415 in a third. How many trees were planted in all?

Answer: 989

700

A company made 368 chairs Monday, 497 Tuesday, and 286 Wednesday. How many in total?

Answer: 1,151

700

A school had 950 markers. They gave away 237 and then 416 more. How many markers remain?

Answer: 297

700

A store started with 1,000 toys. They sold 378 in the morning, 249 in the afternoon, and 135 at night. How many toys are left?

Answer: 238

700

A library had 735 books. They bought 248 more. 319 were checked out. 156 were returned. Then 87 damaged books were removed. How many remain?

Answer: 733

700

A warehouse shipped 4,875 boxes Monday, 3,968 Tuesday, and 2,456 Wednesday. 3,129 were returned. Then 845 replacement boxes were shipped. How many were successfully delivered?

Answer: 9,015