作業系統學習路徑：2 年級數學 - 加法與減法策略 [第 1 部分（共 3 部分）]

This class is part of the Outschool Learning Paths program and is intended to be a part of a set of classes that work together to build academic mastery. This is class, [Part 1 of 3] in the Learning Path and at the end of the class, your learner will be assessed for their level of mastery on the skills and standards covered in this class. To learn more about Outschool Learning Paths, please visit info.outschool.com/outschool-paths.

This class is Part 1 of 3 in the Addition and Subtraction Strategies Learning Path. At the end of this class, your learner will be assessed for their level of mastery on the skills and standards covered in this class.

Wondering if your learner is ready for Part 1? Your learner should be familiar with the following:
- Identifies numbers 1-100.
- Fluently adds and subtracts within 10.
- Developing number sense 1-20.
- Place value: ones, tens, hundreds.
*If you have questions about placement, please message me and we can discuss your learner's skills and needs.

Standards and Objectives covered in Part 1:
- CCSS.MATH.CONTENT.2.OA.B.2
Fluently add and subtract within 20 using mental strategies.
- CCSS.MATH.CONTENT.2.NBT.B.9
Explain why addition and subtraction strategies work, using place value and the properties of operations.
- Understand and apply a variety of addition and subtraction strategies with precision.
- Develop fact fluency for addition and subtraction within 20.

This class meets twice a week for 3 weeks. Each lesson includes the following format:
Welcome & Warm Up: Greet classmates and review previous concepts taught with a warm up activity.
Lesson: Mini lesson followed by in-class practice to build skills and understanding.
Closing & Wrap Up: Students will complete a check for understanding activity before the end of class.

Lessons in Part 1 will review addition and subtraction facts within 20 and teach specific strategies to help with fact fluency. Each lesson will use a variety of learning methods to engage students, including lesson activities using Nearpod (interactive lesson platform), presentation slides and group games.

This course is designed to promote math discussion, creative thinking and confidence with math skills. Learners are encouraged to share their math thinking and practice during each lesson. 

At the end of Part 1, learners will complete an assessment on the strategies and facts mastered throughout the 3 weeks. The teacher will provide written feedback to guardians with detailed information on their learner's progress and performance in the course.

You may locate Part 2 and Part 3 of this learning path here: 
Part 2: https://outschool.com/classes/os-learning-path-grade-2-math-addition-and-subtraction-strategies-part-2-of-3-xy3JXlwB?usid=wQmpH2sZ&signup=true&utm_campaign=share_activity_link