Use place value understanding to round whole numbers to the nearest 10 or 100.
Number and Operations in Base Ten
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Use place value understanding to round whole numbers to the nearest 10 or 100.
Number and Operations in Base Ten
Use place value understanding and properties of operations to perform multi-digit arithmetic.
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Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (e.g., 18 = 10 + 8); understand that these numbers are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine 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. Understand the following as special cases:
Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right.
Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.
Use place value understanding to round multi-digit whole numbers to any place.
Use place value understanding to round whole numbers to the nearest 10 or 100.
Use place value understanding to round whole numbers to the nearest 10 or 100.
Use place value understanding to round whole numbers to the nearest 10 or 100.
Round two- and three-digit whole numbers to the nearest ten or hundred, respectively.
Use place value understanding to round whole numbers to the nearest 10 or 100.