Students determine how much to add to a given number to make the next ten
A. Use base-10 models to add ones to a 2-digit number
B. Add ones to a 2-digit number
C. Use base-10 blocks to add a tens to a 2-digit number
D. Solve addition equations adding tens or ones to a 2-digit number
E. Identify tens numbers from a set
F. Given a number along a number line, identify the next ten
G. Identify the next ten from a given number, without models
H. Use base-10 blocks to practice adding to make a next ten
I. Identify the next ten and find the missing addend
K. Use base-10 blocks to solve addition equations with exchanging
L. Use number bonds to solve addition equations with exchanging (Level 1)
M. Use number bonds to solve addition equations with exchanging (Level 2)
N. Solve addition equations with exchanging, using a number bond if needed
O. Add ones to a 2-digit number
P. Add ones to a 2-digit number, with and without exchanging