Malcolm is driving 1,323 miles from Wichita to Charleston for a family reunion. He drives 443 miles the first day and 409 miles the second day. Round each distance to the nearest ten and estimate about how many miles Malcolm has left to drive.

1323 rounds to 1320
443 rounds to 440
409 rounds to 410

1320 - (440 + 410) =
1320 - 850 =
470 <=== malcolm has about 470 miles left to go