Addition and Subtraction within 100 Game: “Number Line Race”
2nd Grade• 1 Hour Lesson and Game
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Subject: Math, Numbers and Operations in Base Ten
Skills: Adding & Subtracting within 100; Mental Math, Number Lines
File Type: PDF Document
Materials Needed: portable student dry erase boards (1 per team) –or- use paper and a marker; and a document camera or whiteboard
Printable Resources: Optional: printable “1s”, “5s”, “10s” –or- Write 10s, 5s, and 1s largely on paper or index cards (make 2-3 copies of each page preferably 3-4 students will be 10’s, 1 student should be a 5, and 4 students should be a 1 per team)
Lesson Plan Description
This 1 Hour Game addresses Adding & Subtracting within 100; Mental Math, Number Lines (2.NBT.B.5). This lesson includes: Addition and Subtraction, Mental Math and Number Lines. Students will add and subtract using mental math and number line strategies.
**The content of this lesson is derived from a portion of the Half Day Lesson Plan: Addition and Subtraction within 100. Purchasing both this 1 hour and the half day plan, will result in duplicate content.