100
10's: 457
What is 460
200
129+257=__
What is 386
200
100's: 549
What is 500
300
1,000's: 45,501
What is 46,000
400
555+445=__
What is 1,000
400
9,678-5,356=__
What is 4,322
400
1,000's: 1,944,678
What is 1,945,000
500
8,967,514+9,546,967=__
What is 18,514,481
500
300-187=__
What is 113
500
10,000's: 1,654,958,561
What is 1,654,960,000