Learning Domain: Number and Operations in Base Ten

Standard: Understand that the two digits of a two-digit number represent amounts of tens and ones: Unitize by making a ten from a collection of ten ones; Model the numbers from 11 to 19 as composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones; Demonstrate that the numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens, with 0 ones.

Degree of Alignment: Not Rated (0 users)