Resheniia Str — Matematika 3 Klass Rabochaia Tetrad 2 Benenson Gotovye

: Describing rectangular arrays and understanding concepts of area and perimeter.

: Reading and creating picture graphs or bar graphs to represent information. Accessing Solutions (Gotovye Resheniia)

: Mastering addition and subtraction of 3-digit numbers with regrouping. Sample Problems and Strategies