Read and write numbers through 999,999 in standard form and equations in expanded form.
Number Sense and Base Ten
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read and write in word form numbers zero through nineteen, and multiples of ten through ninety.
Recognize math periods and number patterns within each period to read and write in standard form large numbers through 999,999,999.
Read, write and represent numbers through 999 using concrete models, standard form, and equations in expanded form.
two-digit numbers can be decomposed in a variety of ways (e.g., 52 can be decomposed as 5 tens and 2 ones or 4 tens and 12 ones, etc.) and record the decomposition as an equation.
Read numbers from 0–20 and represent a number of objects 0–20 with a written numeral.