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Common Core: 3.OA.8

Lessonset Solving two step word problems, including those with unknown quantities

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.3
  1. Solving two-step word problems using a model

    Solving two-step word problems using a model

    Common Core: 3.OA.8 | by: Jeanette Simpson

    In this lesson you will learn to identify the operations in two step word problems by using problem solving steps and a model.

  2. Solve two-step problems using parenthesis

    Solve two-step problems using parenthesis

    Common Core: 3.OA.8 | by: Jeanette Simpson

    In this lesson you will learn to solve multi-step problems by understanding the use of parentheses.

  3. Solve two-step problems using letters to represent unknowns

    Solve two-step problems using letters to represent unknowns

    Common Core: 3.OA.8 | by: Jeanette Simpson

    In this lesson you will learn to solve two step story problems by using letters to represent unknown quantities in equations.

  4. Estimate solutions to two-step word problems

    Estimate solutions to two-step word problems

    Common Core: 3.OA.8 | by: Jeanette Simpson

    In this lesson you will learn to estimate solutions to multi-step story problems by rounding.

  5. Assess reasonableness of an answer using front end estimation

    Assess reasonableness of an answer using front end estimation

    Common Core: 3.OA.8 | by: Jeanette Simpson

    In this lesson you will learn to check if your answers to story problems are reasonable by using front end estimation.