Students will fill an incomplete 10-frame. Students learn that the digits 10 represent 1 group of ten items. Students use 10-frames to practice counting by 10. Students discover that numbers can be represented in standard form or as groups of 10
A. Decompose numbers 11-19 into a group of 10 and some ones
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
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