Illustrative Mathematics

Level A
Unit: Numbers and Operations and Algebraic Thinking
Key Lesson 1.4.4 More Addition and Subtraction With Tens

Lesson topic: Addition and subtraction of multiples of 10

Instructor Materials

Student Materials

Related Lessons


If students need additional lessons before this key lesson, use these supplemental lessons.

Review and Extend

Use these supplemental lessons if needed after teaching this key lesson.

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