HOMESCHOOL AND DISTANCE LEARNING
0
$0
LEARN MORE
BLOG
SHOP
GETTING STARTED

Common Core Alignment

CCSS.Math.Content.1.OA.4 - Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.

5: Math

Unit 3: Addition and Subtraction to 10
Lesson 5: Finding Differences