You will be using base 10 number cubes for this activity. You will be adding pairs two-digit numbers together. The maximum value of these sums will be 40
B. Solve 2-digit addition equations within 40 with and without modeling with base-10 blocks
C. Solve 2-digit addition equations with exchanging by adding tens and ones separately
D. Solve 2-digit addition equations
E. Model and solve 2-digit addition equations with exchanging using base-10 blocks (Part 1)
F. Model and solve 2-digit addition equations with exchanging using base-10 blocks (Part 2)
G. Solve 2-digit addition equations with exchanging by adding tens and ones separately
H. Solve equations that add two-digit numbers across a 10