Investigative Math Lesson Plan



Investigative Math Lesson Plan

Name/date: Candace Stanley/ 2-25-13 Coop. Teacher/date:

Subject: Math Topic/Title: Division

Grade Level/ Age: 3rd/ 8-9 Time Frame: 45 minutes

A. Student learning objective/s: The students will apply concepts of division using hands on activities. Students will experiment to solve different division problems. Students will also relate multiplication facts to those of division.

B. Assessment: Collect the completed worksheet from the students. Walk around to ensure each group is on task and finding the correct answers. Have each group discuss how they came to the correct answers.

C. Background knowledge or skills needed: Students need to have an understanding of the concept of dividing. Students need to understand the connection between multiplying and dividing.

D. Common Core State Standard: Operations and Algebraic Thinking 3.0A, Represent and solve problems involving multiplication and division, 3.0A.1 Interpret products of whole numbers, e.g., interpret 5x7 as the total number of objects in 5 groups of 7 objects each.

E. Corresponding NCTM standards:

Materials: The story The Multiplying Menace Divides by Pam Calvert, animal crackers, plates, and activity worksheet.

Sources: teachingdivision.html

“Helping Children Learn Mathematics by Reys, Lindquist, Lambdin, and Smith-

9th edition. Pages 207-209

The Multiplying Menace Divides by Pam Calvert



Gearing Down: Work each problem out as a class. Model different techniques of division problems for the students. Encourage the students to ask as many questions as they need.

Gearing Up: Challenging the students with more difficult division problems. Not allowing the students to work together. Have the students write down how they came to each of their answers.

Investigative Math Lesson Plan Format

A. Launch: (5 minutes) Ask the students if it would be possible for them to divide into pairs equally (wait for responses). Explain that when there is an uneven number, it would not be possible for the class to divide in to pairs without someone being left out. Ask the students what “division” means to them (wait for response). Give students different scenarios where they would have to divide, like playing a game a recess. Explain to the students that dividing is the opposite of multiplying.

B. Investigate: (30 minutes) Introduce students to the book The Multiplying Menace Divides. After reading the story the story, have a discussion with the students about the division problems he faced throughout the book. Give each child an individual bag of twenty animal crackers. Have the students get into groups of two or three. Reread the book stopping after each division problem to allow the students to use their animal crackers to work out the problem and find the solution. Continue until the students have worked out each division problem from the story.

C. Summarize: This lesson introduces the concept of division. It helps students use hands on activities to learn how to divide.

D. Closing: (5 minutes) Discuss what the students learned throughout the lesson. Ask if there are any questions and allow the students to eat their animal crackers.

E. Particulars: Adjust the time to allow more time for students to work on individual division problems. Allow for response after they find the solutions to the problems.

F. Lesson Reflection: N/A

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