Add 2 digits to a multiple of 10 (part-whole)
Add a 2-digit number to a multiple of 10, with a part whole model to help.
Add 2 digits to a multiple of 10 (part-whole)
Add a 2-digit number to a multiple of 10, with a part whole model to help.
Add a 2-digit number to a multiple of 10, with a part whole model to help.
Add a 2-digit number to a multiple of 10, with a part whole model to help.
