Objective: Strategize to solve take from with change unknown problems.
Grade 1 Mathematics Module 2, Topic C, Lesson 24
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Common Core Learning Standards
|1.OA.1||Use addition and subtraction within 20 to solve word problems involving situations of adding to,...|
|1.OA.4||Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the...|
|1.OA.5||Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).|