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Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Recent CCSS.Math.Content.1.OA.A.2 Lesson Plans & Resources

The Very Hungry Caterpillar

Lesson Plan | Grades K-2

Help In the Yard (Grade 1)

Activity, Handout, Lesson Plan | Grades K-2

Leprechaun Traps: Addition within 100

Handout, Lesson Plan | Grades K-2

MathTastic - Skateboard Shop Worksheet

Activity, Worksheet | Grades K-5

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