Grade 1 Mathematics Module 2, Topic C, Lesson 24

students boarding bus

Objective: Strategize to solve take from with change unknown problems.

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Common Core Learning Standards

CCLS State Standard
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).

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