Addition
More Addition
Rounding
Subtraction
More Subtraction
100

543 + 387

930

100
What is 300 + 50 + 8 

            400 + 60 + 2

equal?

820

100

What is 432 rounded to the nearest ten?

430

100

543 - 121

422

100

122 - 87

35

200

717 + 554

1271

200

Amy has 345 marbles.  Her mom gives her 249 more marbles.  How many marbles does Amy have?

345 + 249 = 594

200

What is 328 rounded to the nearest ten?

330

200

678 - 433

245

200

981 - 777

204

300

365 + 123

488

300

Copperfield saw 312 twist ties.  He then saw 257 more twist ties.  How many twist ties does Copperfield have?

312 + 257 = 569

300

What is 457 rounded to the nearest hundred?

500

300

541 - 332

209

300

Eden bought 546 pencils.  He used 321 pencils this school year.  How many pencils does Eden have left?

546 - 321 = 225

400

633 + 297

930

400

Jerome made 555 chocolate chip cookies.  Julian then made 488 more chocolate chip cookies.  How many chocolate chip cookies are there?

555 + 488 = 1,043

400

Round each number to the nearest ten and then add.

532 + 377

530 + 380 = 910

400

634 - 543

91

400

What is the difference between 386 and 128?

386 - 128 = 258

500

188 + 388

576

500

698 + 54

752

500

Round each number to the nearest ten and then add.

456 + 421

460 + 420 = 880

500

711 - 522

189

500
Ms. Kaye bought 443 pop its.  She gave out 387 pop its.  How many pop its does Ms. Kaye have now?

443 - 387 = 56