Multiplication
Multiplication by 2 digits
Addition
Subtraction
Expanded Form
100

5x9

45

100

15x21

315

100

24+34

58

100

28-15

12

100

143

100+40+3

200

15x2

30

200

24x21

504

200

143+128

271

200

768-452

316

200
4,643

4,000+600+40+3

300

16x5

80

300
65x32

2080

300

562+448

1010

300

521-63

458

300

5,432

5,000+400+30+2

400

45x4

180

400

72x24

1728

400

576+58

634

400

671-52

619

400

14,572

10,000+4,000+500+70+2

500

78x3

234

500

135x24

3240

500

876+145

1021

500

1234-768

466

500

167,653

100,000+60,000+7,000+600+50+3