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Adrianne Gronnert

Count On to Add Lesson #2

Grades: 2nd Grade, Kindergarten, 1st Grade
Subjects: Math

Student Instructions

Click add. Then click the link to watch the video on page one. Next, use the drawing to to count on to add on the number line. Then, write the total in the box. Record your voice to explain how to count on to add on page 7. Click the check when you are done.

Teacher Notes (not visible to students)

This activity aligns with 1st grade math standards including: Represent and solve problems involving addition and subtraction. CCSS.Math.Content.1.OA.A.1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem. CCSS.Math.Content.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows You can find more math videos here: https://www.youtube.com/playlist?list=PLZ-dFewIqnkzA2fD9orT3n4yCUl-a56cW

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