Learn Fractions with Cuisenaire Rods

### Teacher Notes Objective:

The student will learn fractions with the use of manipulatives. Using manipulatives such as Cuisenaire Rods will help the students visualize the problems, making them easier to understand and solve. Taken in order, these lessons will build upon each other and reinforce basic fractional knowledge.

These exercises are designed for Elementary to Middle School Students.

Materials:

Internet access

Cuisenaire Rods

What are Cuisenaire Rods?

You may print this page. Draw and identify each Cuisenaire Rod.

This topic is to help become familiar with the rods. Before you begin any of the lessons you should first let the students play around with the rods so that they become acquainted with them.

Using Cuisenaire Rods to Name a Fraction:

This lesson will teach the student the basics of using Cuisenaire Rods in solving fractional problems. Any student familiar with Cuisenaire Rods and how to use them may want to skip this lesson as well as the first lesson on "What are Cuisenaire Rods?". However, if the student has been introduced to Cuisenaire Rods but is not yet proficient with them these two lessons would be a good review.

Identify the Numerator and Denominator:

This lesson is designed to teach the student how to identify fractions using Cuisenaire Rods. This basic lesson is necessary for any student to understand how Cuisenaire Rods are used to identify the numerator and denominator.

Least Common Denominator:

Here the student should learn how to find the least common denominator in fractions. This skill is key to solving nearly any fractional problem in mathematics. Once the student has become proficient at finding the least common denominator the student should be capable of mastering fractions.

Adding and Subtracting Fractions:

This page is geared toward middle school students who are slightly more advanced. Using the manipulatives (Cuisenaire Rods) the student will practice finding the Least Common Denominator and then learn to add and subtract fractions.

Equivalent Fractions:

Designed for the more advanced student, this lesson is more complex and challenging than previous lessons. The student will learn how to identify equivalent fractions using Cuisenaire Rods.

` `  Send comments to: silha@girltech.cs.rice.edu This page was developed through GirlTECH '97, a teacher training and student technology council program sponsored by the Center for Research on Parallel Computation (CRPC), a National Science Foundation-funded Science and Technology Center.

© June 1997 Molly Silha