Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (such as 18 = 10 + 8); understand that these numbers are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones.

Basic Subtraction Lesson Plan: Fun With Fact Families

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In this lesson plan, which is adaptable for grades K through 3, students use BrainPOP Jr. resources to learn how to use a variety of strategies to subtract small numbers. They will also learn about fa...

Math Skills Lesson Plan: It’s All Fun and Games

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In this math skills lesson plan, which is adaptable for grades 3-12, students work collaboratively to research selected math skills. Students then create, play, and assess a math game that is designed...