Addition and Subtraction with Regrouping

Addition

100

146+3

149

200

384+234

618

300

645+937

1,528

400

8,364+1,692

10,056

500

190,638+2,473

193,111

Subtraction

100

999-274

725

200

423-315

108

300

1,060-528

532

400

9,090-5,968

3,122

500

9,060-4,279

4,781

Challenge

100

Mrs. Hurt gave 932 pieces of candy out last year. This year she has only given out 147 pieces of candy. How many more pieces of candy did she give out last year? 

785

200

In Florida, 673,086 oranges were grown in 1996. In 1986, 466,256 oranges were grown. How many more oranges were grown in 1996 than in 1986?

206,830

300

One machine can make 138,800 small paper clips in one day. Another machine can make 84,250 large paper clips in one day. How many more small paper clips than large paper clips are made by the two machines in one day? 

54,550

400

There are 135,663 kilometers of U.S. coastline that border the Pacific Ocean. There are 111,866 kilometers of U.S. coastline that border the Atlantic Ocean. How many more kilometers of U.S. coastline border the Pacific Ocean than the Atlantic Ocean? 

23,797

500

This year, a farm planted 400,000 corn stalks. Last year, the farm planted 275,650 corn stalks. How many more corn stalks did the farm plant this year than last year?

124,350