Chapter 6: 3 Digit Addition and Subtraction

Fact Fluency

100

2 + 6 = 

8

200

10 + 4 = 

14

300

10 - 7 =

3

400

15 + 6 = 

21

500

25 - 9 = 

16

Addition

100

400 + 200 =

 600

200

315 + 124 =

439

300

162 + 219 = 

381

400

435 + 471 = 

906

500

555 + 368 = 

923

Subtraction

100

524 - 100 = 

424

200

678 - 124 = 

554

300

358 - 129 =

229

400

512 - 496 = 

16

500

800 - 462 = 

338

Mixed Up

100

515 + 200 = 

715

200

674 - 210 =

464

300

391 - 218 = 

173

400

456 + 277 = 

733

500

999 + 888 = 

1,887

Story Problems

100

Mrs. Fidler had 240 crayons. Mrs. Smith gave her 100 more. How many crayons does Mrs. Fidler have now?

340 crayons

200

Mrs. Fidler had 536 toy cars. She gave 120 of them to Henry. How many toy cars does she have left?

416 toy cars

300

I saw 482 penguins at the zoo. I saw 193 lions at the zoo. How many animals did I see all together? 

675 animals

400

Mrs. Smith had 283 tacos. She was so hungry that she ate 197 of them! How many does she have left?

86 tacos

500

Mrs. Smith drove 438 miles. Mrs. Fidler drove 692 miles. How many more miles did Mrs. Fidler drive than Mrs. Smith? 

254 miles