Understanding Tens and Ones

Understanding Tens and Ones

Grade 1st Grade · Math · 15 min· Ccss 1.nbt.b.2

What's Included

Learning Objective

I can show that I understand that the two digits of a two-digit number represent amounts of tens and ones.

Warm-Up Video

mathantics · 9:26

Math Antics - Place Value

Guided Notes

3 key concepts

  • 1

    Our number system is called ‘base 10’ because it uses ten different symbols called digits for counting.

  • 2

    The number place to the left of the ones place is called the tens place, and it counts groups of ten.

  • 3

    The number PLACE that a digit is in determines its VALUE, and writing a number in ‘Expanded Form’ shows the combination of different groups.

Practice Questions

3 questions · Multiple choice & Short answer

Exit Ticket

Quick comprehension check

What does the number 35 represent? How many groups of ten and how many ones?

Complete Lesson Package

Get all 3 ready-to-use resources:

Teacher Guide
Student Doc
Slides