Equal Groups and Arrays: The Road to Multiplication: Math Unit 3, Grade 2 (Letters & Devotion)

Description

Equal Groups and Arrays: The Road to Multiplication is Unit 3 of Number, Shape, and Measure: Grade 2 Mathematics (Grade 2), the Letters & Devotion Math course, complete in one printable PDF: 9 lessons, the unit check-up and the answer key, 36 pages.

• Arrays as rows and columns of equal-sized groups
• Finding an array’s total by repeated addition of equal rows
• Repeated-addition sentence as a record of an array’s structure
• Invariance of an array’s total under rotation (rows vs. columns)
• Even and odd numbers as splitting a count into two equal groups
• Which whole numbers of objects can form a rectangular array without leftovers
• Reasoning about rectangular arrays for an unfamiliar, unpracticed count
• Repeated-addition sentences as records of pictured arrays
• Transfer of the rectangle-array test to an unfamiliar real-world object context

Every lesson is written for a parent with no teaching background: it opens with a short script to read aloud, names the specific wrong idea a student is likely to reach for and how to correct it, and closes with a practice sheet you may copy for your household. Scripture references are King James Version throughout. Black-and-white, 8.5 x 11 in. The whole year of this course is also in this store as a single book.

AI note: The written content of this resource was drafted with AI tools, then reviewed and edited by the author.