120 Chart Activities, 100, Birds Common Core Grade 1 Math Activities, 100 Fill in the Missing Numbers Worksheets, Common Core 1.NBT.A.1, First Grade Math Activity, 100 Math Sub Plan1.NBT.A.1Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.Size: Letter Paper sheet. It has 100 pages.The 120 chart serves as a valuable tool to reinforce foundational math skills and build a solid understanding of number