Given a magnitude of 10 multiplication problem in unit form (e.g., 10 x 45), students solve in unit form and in number form. They also discover the rule of adding 1 zero to the number when multiplying by 10
A. Convert between 3-digit numbers and unit form
B. Represent a place value chart as a 2-or 3-digit number
C. Solve multiplication by 10 in unit form and number form
D. Solve multiplication by 10 in unit form and number form and model on a place value chart
F. Model division by 10 using a disk model (Level 1)
G. Model division by 10 using a disk model (Level 2)
H. Solve division by 10 in unit form and number form