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# Baric Cylinders Lesson: Montessori Sensorial

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Baric Cylinders are found within the Sensorial area of the Montessori classroom. The materials further develop the haptic sense, in this case, weight.

The Baric Cylinders on the Sensorial shelf.

### The Baric Cylinders Lesson: Presentation I

• Prepare the box ahead of time with only the heaviest and lightest pairs.
• Invite the child to do the work.
• Ask the child: “Would you like me to show you the baric cylinders? These are the baric cylinders. Baric means weight.”
• Place the box in the center of the mat.
• Remove cylinder with 3-finger grip.
• Arrange cylinders randomly in a line from left to right.

• Start with the left cylinder, carefully lift it and place it in the palm of your hand.
• “Would you like to feel how heavy this one is?” Return the cylinder back in line.

• “Now let’s see if we can find a match. I am going to use my hand to do this work.”
• Isolate the left cylinder, feel the weight
• Weigh each remaining cylinder until you find a match. Move out of line slightly. Weigh the control again, move match to the side. Weigh control, weigh match. “These two match. They are a pair.”

### The Baric Cylinders Lesson: Presentation II-V

Add an additional pair per presentation until there are six pairs.

### The Baric Cylinders Lesson: Presentation VI

• “Would you like to do something new with the baric cylinders?”
• Arrange cylinders in random line left to right.
• “Now I am going to find the heaviest cylinder.
• Weigh each one until you find the heaviest cylinder: “This one is the heaviest.
• Move the heaviest cylinder to the lower left.
• Now I am going to find the lightest cylinder.
• Weigh each one until you find the lightest cylinder: “This one is the lightest.
• Move the lightest cylinder to the lower right.
• Now I am going to look for the next heaviest,” and so on until all are graded in a line.
• Recheck the line from left to right.
• Offer the child a turn.

Be sure to check out my Montessori Sensorial Pinterest Board for more ideas and lessons!

Best,
Marnie

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