Math lessons for students in 2nd grade

• Teacher:
• Grade:2nd
• Subject:Math
• Unit:Operations and Algebraic Thinking
• Lesson: 1 out of 5
• Objective: Students will be able to fluently add and subtract within 20 using mental strategies, such as decomposing numbers to make a ten.
• Focus Question: How can we add and subtract within 20 using mental strategies?
• Math Standard: NY-2.OA.2a. Fluently add and subtract within 20 using mental strategies. Strategies could include: decomposing a number leading to a ten;
• Computer Science & Digital Fluency Standard: 2-3.CT.1 made a model of an bject or computational process in order to identify patterns and essential elements of the object or process.
• Materials: Number cards, whiteboard, markers

• Vocabulary:

Tier 3:

Tier 2:

• Scaffolds/Supports (differentiation):
• Assessment:
• Connection/Motivation:
• Mini-lesson/Teach & Active Engagement (Check for Understanding)
• Independent/Partner/Group Work (Check for Understanding):
• Share/Closing:
• Homework: