standard_description: Compose 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.
problem_activity: Problem 3
Pre-unit
The value of the 6 in 618,204 has how many times the value as the 6 in 563? Explain or show your reasoning.


aligns: no