Everyday Mathematics4 at Home

Unit Resources

Grade 4 Unit 2:
Multiplication and Geometry

Background Information
Vocabulary List
Do-Anytime Activities

Lesson 2-1 Vocabulary

square array

An arrangement of objects into rows and columns that form a square. All rows and columns must be filled. All of the rows and all of the columns have the same number of objects, making the number of rows and columns equal. A square array can be a representation of a square number.