Curriculum>Grade 1> Module 4>Topic E: Addition of Tens and Ones to a Two-Digit Number
Students review adding multiples of 10 to a 2-digit number to solve for the sum
A. Review adding ones 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
F. Solve 2-digit addition equations by adding tens and ones separately
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