Lesson: Related Subtraction Equations Mathematics • 1st Grade

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In this lesson, we will learn how to write a family of subtraction facts linking three numbers up to 10 and model them with part–whole models.

Lesson Plan

Students will be able to

understand which part of a subtraction equation represents the difference,
write multiple subtraction equations for a model,
write subtraction equations with the equal sign before or after the subtraction symbol.

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