OA.1.3

Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

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Formative Assessments
Formative Assessments
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Students are asked to model an equal groups and an array problem in which the product is unknown with multiplication or division equations and then solve each problem. Subject(s): Mathematics Grade Level(s): 3
Finding an Unknown Product
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Students are asked to model a multiplication and a division problem that involve measurement quantities with multiplication and division equations and then solve each problem.
Measurement Problems
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Students are asked to model an equal groups and an array problem in which the group size is unknown with multiplication or division equations and then solve each problem.
Finding the Group Size
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Students are asked to model an equal groups and an array problem in which the number of groups is unknown with multiplication or division equations and then solve each problem.
Finding the Number of Groups
Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
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CPALMS: Students use repeated addition as a strategy to solve multiplication story problems.
Animal Legs (multiply using repeated addition)
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CPALMS: Students use arrays to understand the meaning of multiplication.
Groups of Dogs (multiplication)
Assessment Questions
Assessment Questions
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Equation Editor 1
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Equation Editor 2
Videos of Expert Instruction
Videos of Expert Instruction
Use Real Link and Title
Use Real Link and Title
Use Real Link and Title
Hook/Performance Tasks
Hook/Performance Tasks
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This task involves equal sized groups for multiplication and two division situations.
IM:  Gifts from Grandma, Variation 1
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The purpose of this task is for students to solve problems involving the four operations.
IM:  Classroom Supplies
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This task involves looking at two different division situations.
IM:  Two Interpretations of Division
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The purpose of this task is for students to analyze different contexts in which multiplication is appropriate.
IM:  Analyzing Word Problems Involving Multiplication