Bundles of Ten - More or Less?

Lesson Overview

The students will be able to understand that ten ones can be grouped together to create a bundle of ten. They will understand the place value of tens and ones, and be able to tell which number is greater or less.

Duration

1-2 hours

Lesson Type

Traditional Lesson

Essential Question

What is the purpose of creating bundles of ten?
When wanting to know which number is greater or less, would you look to the tens place or ones place for help? Why?

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Math

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Problems planned in advance during whole group portion.
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Standards

1.NSBT Number Sense and Base Ten
- 1.NSBT.2 Understand place value through 99 by demonstrating that:
  - 1.NSBT.2.a ten ones can be thought of as a bundle (group) called a "ten";
  - 1.NSBT.2.b the tens digit in a two-digit number represents the number of tens and the ones digit represents the number of ones;
- 1.NSBT.3 Compare two two-digit numbers based on the meanings of the tens and ones digits, using the words greater than, equal to, or less than.

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