Grade 1 Mathematics Module 1, Topic G, Lesson 25

students boarding bus

Objective: Solve add to with change unknown math stories with addition and relate to subtraction. Model with materials and write corresponding number sentences.

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Common Core Learning Standards

CCLS State Standard
1.OA.4 Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the...

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