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Mathematics / Word Problems involving Addition and Subtraction

Mathematics / Word Problems involving Addition and Subtraction

1.OA.1. Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
1.OA.2. Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Lessons
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Lessons
Topics
    • Word Problems involving Addition
    • Word Problems involving Subtraction
  • Addition with pictures

    Lesson on Addition

    Pictorial Subtraction

    Learnhive lesson on Pictorial subtraction

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