← Exit student view
Grade 2 (ages 7 to 8) · Math

Two-digit addition with regrouping

Tens and ones, composing a ten, and the column algorithm for carrying

About four lessons of 40 to 55 minutes

Chalk illustration of base-ten ones being bundled into a honey-gold ten rod.
Regrouping ones into a ten: A visual anchor for why ten ones can be renamed as one ten.
1 / 20