Unit 1 · Standard 6.NS.4

Greatest Common Factor

Lesson 1-2

Name: Date: Class:

My Notes Level 1 Support Level 2 Standard Level 3 Enrichment

Today's objectives

Content Objective: I can find the greatest common factor (GCF) of two numbers by listing or comparing their factors.

Language Objective: I can explain how I found the GCF using the words factor, common factor, divisible, and greatest common factor.

📖 See Learn It for the explanation and worked examples, and the Vocab tab for the words. These are your notes to fill in and keep.

✏️ Fill in each blank as we go. Use the Word Bank to help you.

📚 Word Bank — fill each blank with the best word

👆 Tap any word to see what it means and a picture.

Level 3: try the blanks from memory first, then check the bank.

1A number that divides evenly into another number with no remainder is a .
2 — The biggest number that divides two or more numbers evenly.
3A factor that two or more numbers share is a factor.
4A number that can be divided by another with no remainder is by that number.
5 — Writing a number as prime numbers multiplied together. It helps you find the GCF.

What is the GCF of 18 and 27?

Your answer: