# Solving for Multiples and Factors & Determining Prime or Composite

4th Grade • 1 Lesson Plan
\$2.00

## Lesson Plan Description

Working together with partners and explaining the “why” of math helps your 4th graders demonstrate their understanding of prime and composite numbers.  Grab this 1 hour lesson as an introduction or review to help you determine next instructional steps.  Your students will:

• Pose and respond to specific questions to clarify or follow up on information and make comments that contribute to the discussion and link to the remarks of others
• Make sense of problems and persevere in solving them.
• Recognize that a whole number is a multiple of each of its factors.
• Find all factor pairs for a whole number in the range 1-100
• Determine whether a given whole number in the range 1-100 is a multiple of a given one-digit number
• Identify whether a given whole number in the range 1-100 is prime or composite
• Complete an exit slip to help you determine next instructional steps