Students will count the total number of base-10 cubes, then decompose numbers 11-19 into a group of ten and some ones. Students will identify the one group of 10 and how many ones remain
B. Practice with number words 0-50
C. Practice with number lines showing 10-100
D. More practice with number lines showing 0-50
E. Review the difference between letters and digits. Learn about 1- and 2-digit numbers
F. Learn about the concept of 10-frames
G. Represent groups of ten as 2-digit numbers
H. Review the concept of tens written as a 2-digit number
I. Represent 2-digit numbers as groups of ten and some ones
J. More practice making equivalencies between groups of ten and some ones and 2-digit numbers
K. Write a 2-digit number to represent tens and ones
L. Identify place value within a 2-digit number
M. More practice identifying place value within 2-digit numbers
N. Complete number sentences breaking 2-digit numbers into tens plus some ones