OA.1.4

Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × __ = 48, 5 = __ ÷ 3, 6 × 6 = __.

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Formative Assessments
Formative Assessments
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Students are given multiplication and division equations within 50 and are asked to find missing numbers. The missing numbers are presented in all positions.
Find the Unknown Number
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Students are given multiplication and division equations within 100 and asked to find the missing numbers. The missing numbers are presented in all positions.
Multiplication and Division Equations
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Students are given division equations involving numbers within 50 and are asked to find missing numbers. The missing numbers are presented in all positions.
Missing Numbers in Division Equations
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Students are given multiplication equations with products within 50 and are asked to find missing numbers. The missing numbers are presented in all positions.
Missing Numbers in Multiplication Equations
Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
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CPALMS: The students will be given mutiplication and division problems which they must answer.
Arithmetic
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CPALMS: This fun game lets the learners use their multiplication skills to beat the computer.
The Multiplication Game
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CPALMS: This interactive Flash applet offers three ways for students to practice basic fact skills related to multiplication and division.
Arithmetic Workout
Assessment Questions
Assessment Questions
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Equation Editor 1
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Equation Editor 2
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Multiple Choice
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 asks for students to find a number that could be placed in the equation to make the equation true.
IM:  Finding the Unknown in a Division Problem