Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...
Add zero and one to get one, one and one to get two, one and two to get three, two and three to get five. Most of us know this—that each successive number is the sum of the two numbers that came ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results