Comparing & Ordering Decimals - Lesson Plan Volume 22

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Grades 4-6.

This lesson uses Base 10 blocks to teach students the basics of comparing and ordering decimals to the thousandths place. This lesson will give them a clear, concrete picture of what a decimal number actually looks like. Students will grasp the concept that a number such as 1.3 is greater than 1.29, even though there are more digits in the second number. The concept can be challenging for students to comprehend without the use of concrete manipulatives, such as Base 10 blocks. In this lesson, you will use the decimeter cube (thousands cube) to represent one, the hundreds flat to represent tenths, the tens rod to represent hundredths, and the ones unit to represent thousandths.

Students will…

  • Investigate different values for Base 10 blocks
  • Create decimal numbers using Base 10 blocks
  • Compare and order decimals using Base 10 blocks
  • Justify why given decimals are greater than, less than, or equal to other given decimals

Item Weight: 0
Age: 9 yrs. - 11 yrs.
Lesson Plan: Math
Grade: 4 - 6
School Type: Elementary School, Middle School
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