2nd Grade: TEKS 2.2B - "Read and write to represent whole numbers up to 1,200 using standard, word, and expanded form."3rd Grade: TEKS 3.2B - "Compose and decompose numbers up to 100,000 as a sum of so many ten thousands, so many thousands, so many hundreds, so many tens, and so many ones using objects, pictorial models, and numbers, including expanded notation as appropriate."4th Grade: TEKS 4.2B - "Read and write to the hundred thousands using numerals, number names, and expanded form."5th Gra