Place+Value

5409 + 10 = 5419 5409 + 0 = 5409 5409 + 1 = 5410 5409 + 100 = 5509 5409 + 609 = 6018 5409 + 699 = 6108 5409 + 2589 = 7998 5409 + 1590 = 6999