2.NBT.A.1. Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
- Boxes and Cartons of Pencils
- Bundling and Unbundling
- Counting Stamps
- Largest Number Game
- Looking at Numbers Every Which Way
- Making 124
- One, Ten, and One Hundred More and Less
- Regrouping
- Ten \$10s make \$100
- Three composing/decomposing problems
2.NBT.A.1.a. 100 can be thought of as a bundle of ten tens–-called a “hundred.”
- No tasks yet illustrate this standard.