## Wednesday, March 16, 2011

### Red and Blue Rods Revisited!

Presentation: Matching the Red Rods with the Red and Blue Rods

Materials:

1.Set of red rods

2.Set of red and blue rods

Prerequisites:

Mastery of gradation of red rods.

Control of error:

Visual and tactile: lengths of pairs of rods must mach.
Aim:

Transition from sensory area into Math.
Point of interest:

Making the match.
1.Invite the child to look at the environment and say " Do you see any materials that look like the red rods?"

2.Define what we are going to do, such as "we are going to match the rods."

3.Teacher chooses a red rod and separates it from the group and lets the child feel how long the rod is.

4.Let the child go to the Red and Blue Rods and find one rod as long as the one the teacher just showed.

5.The child carries the rod back and checks by himself.

6.Let the child move the matching pair to another empty rug.

7.Continue doing the same activity until all rods are matching.

Options:

1.Put set away.

References

Binda Goldsbrough (1995) The Aperfield Montessori Course

http://sharmila-montessorimaterials.blogspot.com/2009_03_01_archive.html

www.myfamilyschool.narod.ru/MONTESSORIALBUM.doc

http://www.infomontessori.com/mathematics/numbers-through-ten-number-rods.htm

http://www.mecssoftware.com/rods1m.htm

http://www.alisonsmontessori.com/Blue_and_Red_Number_Rods_p/m01.htm

http://www.ehow.com/how_4510054_use-montessori-number-rods.html

http://athousandjoys.blogspot.com/2009/01/montessori-monday-red-and-blue-rods_15.html

(and if you leave these as separate units, they can be matched up to
the longer rods...so many units equals the number 8 rod for example)
 Red and Blue Rod segments Each Segment is  2.5x2.5x10cm
﻿﻿
 Walking the Rod Maze

 Red and Blue Table Rods

 Vertical Rod Storage

 Red and Blue Small Rods with Number Tiles

 Red and Natural Wood Table Rods

 Electronic Rod Apps

 Red and Blue "Rods" made with snapable plastic blocks

 Matching the Numerals to the Rods

 Arranging the Rods in a Box two ways

 Jenny's nice illustration from her Album