3-digit Addition & Subtraction

Adding With Regrouping

100

496 + 256=

752

200

581+396=

977

300

706 + 289=

995

400

683 + 232=

915

500

682 + 709=

1391

Subtracting without Regrouping

100

683 - 431=

252

200

496 - 256 =

240

300

581 - 360=

221

400

964 - 352=

612

500

1396 - 1254=

142

Subtracting with Regrouping

100

526 - 287=

239

200

841 - 655=

186

300

643 - 257=

286

400

551 - 386=

165

500

1543 - 1468=

75

Subtracting Across 0s

100

600 - 382=

218

200

400 - 159=

241

300

550 - 368=

182

400

604 - 296=

308

500

3004 - 586=

2418

Random Math

100

Karen has 639 crayons. Cindy has 504 crayons. How many more crayons does Karen have than Cindy?

639 – 504 = 135 Karen has 135 more.

200

Jose has 85 peanuts. Kenya has 48 more than Jose. How many peanuts does Kenya have?

85 + 48 = 133 She has 133 peanuts.

300

Lizette has 84 stamps. She has three times as many stamps as Minerva. How many stamps does Minerva have?

84 ÷ 3 = 28 Minerva has 688 stamps.

400

White t-shirts can be purchased in packages of 6. If Mom buys 71 packages, how many white t-shirts will she have?

6 x 71 = 426 She will have 426 t-shirts.

500

I have 648 pencils. If I put 4 pencils in each pencil box, how many pencil boxes will I fill?

648 ÷ 4 = 162 You will fill 162 pencil boxes.