Addition
Subtraction
Tricky Regrouping
Word Problems
100

123,456 + 111,111 =

234,567

100

654,321 – 123,456 =

530,865

100

456,789 – 234,567 =

222,222

100

A library has 325,478 books. It buys 124,520 more. How many books now?

449,998

200

200,300 + 400,200 =

600,500

200

400,000 – 225,000

175,000

200

630,482 + 249,529 =

880,011

200

A stadium seats 612,395 people. 384,782 came to a game. How many seats were empty?

227,613

300

305,602 + 152,381 =

457,983

300

712,405 – 301,202 =

411,203

300

742,310 – 389,765 =

352,545

300

A company made 482,769 laptops in 2022 and 539,842 in 2023. How many total?

1,022,611

400

482,146 + 317,205 =

799,351

400

523,670 – 212,458 =

311,212

400

456,732 + 398,174 =

854,906

400

A factory produced 725,316 toys in January and 436,729 in February. How many more in January?

288,587

500

612,804 + 275,198 =

888,002

500

905,320 – 618,174 =

287,146

500

823,640 – 457,891 =

365,749

500

A school had 987,425 pencils. After giving away 548,672, how many were left?

438,753