Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

Math Facts and Number Sense Lesson Plan: The Jelly Bean Game

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In this number sense lesson plan which is adaptable for grades K-4, students will use jelly beans in an online game and real jellybeans as math manipulatives to practice number sense concepts, such as...

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...