Unit 4, Lesson 1-- Introduction to Friendly Numbers

Lesson 1-- Introduction to Friendly Numbers

Introduction

Hello Mathematicians! Today we will begin to think about "friendly" or "nice" numbers.

Look at this image.  What do you notice?  Jot down your thoughts in your math notebook.

What do you notice? Wonder? Roller coasters, numbers 1-4 green, 5-14 purple, 15-20 teal

Video

Interactive

Directions:

  • In the interactive below, complete the tasks in your notebook.
  • Use the modified 120 chart to help you.
  • Go to the Next page to share your thinking.

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Georgia Department of Education, Math