Interactive Problem Solving - Thinking Blocks
Thinking Blocks Interactive Tutorials - Model and solve word problems with addition and subtraction. Online interactive tutorial. Second Grade and Third Grade.
Online Word Problems with Addition and Subtraction within 20 - Challenge
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Online Word Problems with Addition and Subtraction Extra Information
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Online Word Problems with Addition and Subtraction within 100
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Online Word Problems with Online Addition Word Problems with 2 Steps
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Online Word Problems with Online Addition Word Problems with Extra Information
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Represent and solve problems involving addition and subtraction.
CCSS.MATH.CONTENT.2.OA.A.1
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.