knbt1 Worksheets
Number and Operations in Base Ten
Work 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.
knbt1
knbt1
- Look at a picture of blocks and tell what number it shows.
- Tell how many tens and how many ones are in a number under 20.
- Match teen numbers to the idea of one ten plus some ones.
- Write the number that goes with a visual model of tens and ones.
