Number and Operations in Base TenWork with numbers 11-19 to gain foundations for place value.1Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (e.g., 18 = 10 + 8]; understand that these numbers are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones.
/english/thumb_a.png "- Visual Place Value (Less than 20) worksheet")
