MA 02.NBT.A.1 Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones;

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.

Good Projects here: Illustrative Mathematics https://www.illustrativemathematics.org/content-standards/2

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