# Problem Solving – Thinking Blocks Interactive Tutorials and Problems Level 2

# 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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Word Problem Set 5

**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.