Show:
Multiples of 10,100 and 1,000
Round and estimate
Arrays/ Area Models
Partial Products
Choose a strategy
100

8x60=

480

100

493x3=

1,500

100

75x5=

375

100

5x45=

225

100

43x8=

344

200

3x500=

1,500

200

678x6=

4,200

200

3x121=

363

200

7x45=

315

200

57x9=

513

300

2x900=

1,800

300

8x7,632=

64,000

300

253x4=

1,012

300

3x46=

138

300

48x5=

240

400

7x9,000=

63,000

400

9,379x5=

45,000

400

214x7=

1,498

400

720x6=

4,320

400

215x7=

1,505

500

5x8,000=

40,000

500

9x1,993=

18,000

500

1,341x7=

9,387

500

326x9=

2,934

500

239x4=

956