Adding 1s, 10s, and 100s
cc-2nd-add-subtract-1000--cc-2nd-add-ones-tens-hundreds--adding-hundreds-tens-and-ones
Add and subtract within 1,000
Visually adding within 1,000
Sal adds 3-digit numbers by adding ones, tens, and hundreds.
Sal adds 3-digit numbers by adding ones, tens, and hundreds.