The lesson introduces students to the math concept of base ten. Place value, standard form, and expanded form are all covered throughout the lesson. Several examples are provided so teachers can help their students practice writing numbers in expanded form. The lesson wraps up with using base ten to determine greater than and less than.
- Begin by explaining to students that often they will see numbers written in words or in numerals.
- While reading the content pages, reinforce place value vocabulary and give students additional examples of base ten numerals to name. Use the additional resources to enhance understanding.
- Introduce the notes on base ten numerals and names. Have students practice problems with standard and expanded form. Use the additional resources to enhance understanding.
- Have students practice writing and saying the words with large numerals.
- Follow Activity page with students. Have students work in pairs. Each set of students should get a set of number cups. Number cups are made using Styrofoam interlocking cups where the top of the cup has a ridge. Write the numerals 0 – 9 on the edge of each cup. Each cup represents a place value for a number, so provide each group with the appropriate number of cups. If a group is working in the millions, they should be using 9 cups (one for each place value). Have students take turns generating numbers for their partner and filling out the Activity page.
- Distribute Practice page. Check and review the students’ responses as a class.
- Distribute the Homework page. Have students work a few problems at the beginning of the next class to reinforce the new knowledge.
- In closing, ask students to explain to their partner how to compare one number to another number.
- Allow for responses and discussion.
Common Core State Standards:
None for Grade 3
Class Sessions (45 minutes): 1 class session
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