A 60-minute lesson in which students will understand how 3-digit numbers can be decomposed.
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A 60-minute lesson in which students will understand how 3-digit numbers can be decomposed.
Login to view the lesson plan.
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:
Use concrete and pictorial models to compose and decompose numbers up to 120 in more than one way as so many hundreds, so many tens, and so many ones;
Use objects, pictures, and expanded and standard forms to represent numbers up to 120;
Use concrete and pictorial models to compose and decompose numbers up to 1,200 in more than one way as a sum of so many thousands, hundreds, tens, and ones;
Use standard, word, and expanded forms to represent numbers up to 1,200;
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