1.5 Unit Overview

Use place value understanding and properties of operations to add within `100`.

By Amplify Classroom

Grades: 1st Grade

Subject: Math

Learning goals: Unit at a Glance Sub-Unit 1: Adding Without Making a Ten (Lessons 1–4) • Add one-digit and two-digit numbers within `100`, including adding a one-digit number and a two-digit number and adding 2 two-digit numbers, without composing a ten. Sub-Unit 2: Making a Ten: Adding One- and Two-Digit Numbers (Lessons 5–8) • Add two-digit numbers and one-digit numbers within `100` by composing a ten. Sub-Unit 3: Making a Ten: Adding Within 100 (Lessons 9–14) • Add 2 two-digit numbers within `100` by composing a ten.