Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Number and Operations in Base Ten
Understand place value.
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Number and Operations in Base Ten
Understand place value.
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10 can be thought of as a bundle of ten ones-called a “ten”.
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
The numbers from 11 to 19 are composed of a ten 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; and demonstrate that:
Three-digit numbers can be decomposed in multiple ways (e.g., 524 can be decomposed as 5 hundreds, 2 tens and 4 ones or 4 hundreds, 12 tens, and 4 ones, etc.)
100 can be thought of as a bundle of ten tens-called a “hundred.”
The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: