3rd Grade Multiply And Divide Lesson Plan Example (Math)

Topic: Multiply and divide within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities

Objectives & Outcomes

Students will be able to use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities.

Students will be able to use drawings and equations with a symbol for the unknown number to represent the problem in solving word problems.

Materials

Arrays of counters or small objects (e.g., pennies, buttons) for practicing solving word problems in situations involving equal groups

Measuring devices (e.g., ruler, meter stick) for practicing solving word problems in situations involving measurement quantities

Worksheets with word problems in situations involving equal groups, arrays, and measurement quantities

Warm-Up

Review the concept of equal groups by discussing examples such as sharing a pizza with friends or dividing a pile of candies into smaller piles. Ask students to share any experiences they have had with equal groups.

Ask students to think of a measurement quantity they commonly encounter in their daily lives (e.g., length, weight, volume). Have them brainstorm a list of ways they could divide the measurement quantity into equal groups. Write their ideas on the board.

Direct Instruction

Introduce the concept of multiplication as repeated addition.

Demonstrate how to use multiplication to solve word problems involving equal groups, e.g., by drawing a diagram to represent the problem and using multiplication to find the total number of groups.

Introduce the concept of division as the opposite of multiplication.

Demonstrate how to use division to solve word problems involving equal groups, e.g., by drawing a diagram to represent the problem and using division to find each group's share.

Guided Practice

Have students work in pairs to solve word problems involving equal groups, e.g., by drawing a diagram to represent the problem and using multiplication or division to find the total number of groups or each group's share.

Check students' work for accuracy.

Independent Practice

Have students work on a project-based activity to solve word problems involving equal groups, arrays, and measurement quantities.

Students should use their understanding of multiplication and division within 100 to solve the problems and should also draw a diagram to represent the problem.

Students should use symbols for the unknown numbers to represent the problems.

Encourage students to discuss their reasoning and work with their partner.

Closure

Have students share their project-based activity with the class and discuss the solutions to the word problems.

Have students reflect on their own learning and discuss what they found most challenging and most interesting about solving the word problems.

Assessment

Observe students during the independent practice and take notes on their understanding of the word problems and their ability to use multiplication and division within 100 to solve them.

Have students turn in their project-based activity (e.g., a written report or a presentation of their Lego model) for review and a grade.

Use the participation in class discussions and the completion of the independent practice activity as a formative assessment of students' understanding of multiplication and division within 100.

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