Teacher presentation materials. Unit: K.6 Numbers 0–20 (Kindergarten). K.6 Numbers 0–20 Unit Goals Students answer “how many” questions and count out groups within 20. They understand that numbers 11 to 19 are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones. They write numbers within 20. Section A Goals Count groups of up to 20 objects. Section B Goals Understand numbers 11-19 as 10 ones and some more ones. Section C Goals Count groups of images up to 20. Represent quantities up to 20 with a written number. Read More Lessons Resources Assessments Practice Glossary Lessons Section A: Count Groups of 11-20 Objects 1 Count Large