OA.2.4.c

Investigate factors and multiples.

c. Determine whether a given whole number in the range 1–100 is prime or composite.

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Formative Assessments
Formative Assessments
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Students are asked to determine whether each of four given numbers is prime or composite and justify their choices.
Prime or Composite
Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
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CPALMS: This virtual manipulative will help the students in exploring the prime factorization of numbers and see how to use the factorization of a pair of numbers to find the greatest common factor (GCF) and the least common factor (LCM).
Factor Tree
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CPALMS: This virtual manipulative allows students to find the prime factorization of numbers by completing factor trees.
Factor Trees
Assessment Questions
Assessment Questions
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Multiple Choice
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Multi Select 2
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Matching Item
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Table Item
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Multi Select 1
Videos of Expert Instruction
Videos of Expert Instruction
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Use Real Link and Title
Use Real Link and Title
Hook/Performance Tasks
Hook/Performance Tasks
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The purpose of this task is for students to deepen their understanding of factors and multiples of whole numbers.
IM:  The Locker Game