2.7 Unit Overview

Add and subtract within `1,000` using an understanding of place value, the relationship between addition and subtraction, and properties of operations.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Unit at a Glance Sub-Unit 1: Adding Within 1,000 Using Place Value Strategies (Lessons 1–8) • Add numbers within `1,000` using strategies based on place value, including problems where composing a ten and/or a hundred is necessary. Sub-Unit 2: Subtracting Within 1,000 Using Place Value Strategies (Lessons 9–15) • Subtract numbers within `1,000` using strategies based on place value, including problems where decomposing a ten and/or a hundred is necessary. Sub-Unit 3: Choosing Strategies to Add and Subtract Within 1,000 (Lessons 16–19) • Add and subtract numbers within `1,000` using strategies based on the relationship between addition and subtraction and the properties of operations.