This lesson teaches students estimate the sum of whole numbers. Lesson includes numbers up to five digits in length. Initial Lesson (pages 1-6) includes a Learning Objective, Activation of Prior Knowledge, Concept Development, and Skill Development/Guided Practice. Lesson also includes four pages of Independent work (pages 7-10). Lesson is fully-animated with answers. Student worksheet pages are included at the end for printing (pages 12-15).
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