adding
subtracting
multiplying
rounding
adding thousands
100

500+1000

600,000

100

100-10

80

100

100 multiplying by 8

800

100

what is the place of the 1 in 100 ?

hundreds

100

100,000 + 200

100,800

200

200+200

400

200

200-1

199

200

200 multiplying by 10

200

200

what is the value for the 2 in 200

hundreds 

200

200+2000=

2000


300

300+400=

700+

300

300-1

299

300

300 multiplying by 5 

1,500

300

what is the value for the 5 in 350 

tens

300

100+200


300

400

400+500=

900

400

400-2=

498

400

400 multiplying by 3

1,200

400

what is the value for the 1 in 461?

ones

400

400+100

500

500

400+300

700


500

500-3

507

500

500 multiplying by 5

2,500

500

what is the value for the 5 in the number  542?

hundreds

500

100+100=

200

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