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.
Grade:
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Objectives
Academic
Students will be able to use divisibility rules to determine factors of whole numbers.
Language
Students will be able to identify prime factors of a whole number using the factor tree strategy.
Introduction
(3 minutes)- Write the word "factor" on the board and ask students to discuss what the word means with a nearby partner.
- Invite students to share their discussion and record their responses on the board. Inform students that a factor is a number that is multiplied to get another number. For example, in the number sentence 5 x 6 = 30, the numbers 5 and 6 are factors.
- Tell students that today they will a learn a strategy called factor trees to find all the factors of a whole number.