Students will add 2-digit numbers together by breaking the problem into two equations: adding ones to ones and tens to tens. Students then add the sums of those equations to solve for the total
A. Review adding ones to 2-digit numbers
B. Review adding tens to 2-digit numbers
C. Identify tens from a group of numbers and label place value of 2-digit numbers
D. Break down 2-digit numbers into tens and ones
E. Use place value charts with base-10 blocks to add two 2-digit numbers
G. Mentally solve 2-digit addition problems
H. Use place value charts with base-10 blocks to add 2-digit numbers, including regrouping
I. Review adding 1- and 2-digit numbers