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Lesson Plan
Battle of the Tenths
In this lesson, students will gain and use knowledge of expanded fraction form to play a fun card game involving rounding.
Grade
Subject
View aligned standards
Learning Objectives
Students will be able to write decimals in expanded form.
Introduction
(15 minutes)
- Write "219.536" on the board.
- Have students read the decimal out loud in proper form (two hundred nineteen and five hundred thirty-six).
- Give students tips on saying it properly and correct any misconceptions about pronunciation.
- Repeat if needed with a different decimal.
- Pose this question: What is the place value of the digit 9?
- Have students pair up and discuss it with their partners. Encourage them to think deeply about the question.
- Have a few students share their ideas, and discuss it as a whole group.
- Explain that the value is one and the digit tells us there are nine of them.
- Ask students to think about the fractional equivalents of 0.1, 0.01, and 0.001. (1/10, 1/100, 1/1000).
- Explain that today, they will write in expanded form using fractions.
