Comparing and Adding Two-Digit Numbers: Math Unit 6, Grade 1 (Letters & Devotion)

Description

Comparing and Adding Two-Digit Numbers is Unit 6 of Tens, Ones, and Adventures: Grade 1 Mathematics (Grade 1), the Letters & Devotion Math course, complete in one printable PDF: 8 lessons, the unit check-up and the answer key, 38 pages.

• The tens digit as the first thing checked when comparing two two-digit numbers
• Comparing the ones digit only after a tie in the tens digit
• The rule that tens always outweigh ones in determining which two-digit number is greater
• Adding a one-digit number to a two-digit number without regrouping, using base-ten pictures
• Adding a one-digit number to a two-digit number when the ones total crosses ten, forming a new ten
• Recognizing in advance whether an addition will cause the ones to cross ten
• Telling apart comparison problems from addition problems by their picture structure
• Applying tens-first comparison reasoning to an untaught concrete 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.