Students will choose the numbers that make a sum of ten
B. Adding to groups of ten
C. Use models to practice addition equations with a one- and two-digit addend
D. Solve addition equations with a one- and two-digit addend
E. Use models to solve subtraction equations with a one- and two-digit number
F. Solve subtraction equations with a one- and two-digit number
G. Add groups of ten to a two-digit number (Part 1)
H. Adding one- and two-digit numbers
I. Use models to solve subtraction equations with two-digit number
J. Add groups of ten to a two-digit number (Part 2)
K. Develop fluency with addition and subtraction of one- and two-digit numbers