# 4.OA.B.4 Lesson Plans

#### CCSS.MATH.CONTENT.4.OA.B.4

:
"Find all factor pairs for a whole number in the range 1-100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1-100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1-100 is prime or composite."

These lesson plans can help students practice this Common Core State Standards skill.

## Lesson Plans

Clap Counting with Multiples
Lesson plan
Clap Counting with Multiples
Finding the least common multiple is an essential skill for comparing, adding, and subtracting fractions! This lesson introduces students to this concept in an interactive way.
Math
Lesson plan
Arranging Numbers in Multiple Ways
Lesson plan
Arranging Numbers in Multiple Ways
In this lesson, students use cubes to build arrays to represent factor pairs of numbers within 100. They use this understanding to identify multiples as well.
Math
Lesson plan
Factors Over the Rainbow
Lesson plan
Factors Over the Rainbow
Make math colorful! Teach your students to find the factors of a number using the factor rainbow strategy.
Math
Lesson plan
Prime and Composite Numbers
Lesson plan
Prime and Composite Numbers
Take your understanding of factors one step further! Use this lesson to classify factors as prime and composite numbers while creating factor trees.
Math
Lesson plan
Multiples and Skip Counting
Lesson plan
Multiples and Skip Counting
Help your students understand the connection between skip counting, multiples, and multiplication with this lesson. Teach it on its own or use it as support to the lesson Clap Counting with Multiples.
Math
Lesson plan
Factor Friend or Foe?
Lesson plan
Factor Friend or Foe?
Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow.
Math
Lesson plan
Conversations About Prime and Composite Numbers
Lesson plan
Conversations About Prime and Composite Numbers
Get your students comfortable with distinguishing and discussing prime and composite numbers with this lesson that involves visuals and a card game. Use it as a standalone lesson or as support to the lesson Prime and Composite Numbers.
Math
Lesson plan
The Factor Tree Strategy
Lesson plan
The Factor Tree Strategy
Let's talk factors and products! Teach your students the factor tree strategy for finding all factors of a product. This lesson can be taught on its own or used as support to the lesson Divisibility Rules.
Math
Lesson plan

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