Number Rods With Numerals

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Number Rods With Numerals
Math - Numbers 0-10
Level Primary
Age 3 - 3.5
Prerequisites Number Rods
Sandpaper Numerals
Materials Number Rods
Numeral Cards

This activity teaches the child the association of the quantity and the symbol.

Presentation

1. Take the material to a mat.
Grade the rods and lay out the numeral cards along the bottom edge of the mat.
2. Isolate the 1 rod, place your hand on it and say, "One."
Find the numeral card 1. Pick it up and say, "One." Lean the card against the rod.
3. Move the 2 rod down and count it, placing your hand on each segment as go count: "One, two."
Find the numeral cards 2. pick it up and say, "Two." Lean the card against the rod.
4. Continue in this way until all of the rods and numerals have been matched.

Control of Error

1. Ability to measure by smallest unit
2. Visual: the bands of color and the graded length of the rods

Variations and Extensions

• Place the rods on another rug across the room and ask the child to bring you number 3. etc.
• Without moving the stair, ask child to give you the rod that is one less than (or one more than) 3.

Aims

Direct Aim:

1. To give the child a sensorial impression of quantity
2. To be able to name in succession the qualities

Indiret Aim:

1. Introduction to measurement and the decimal system

Material

Ten wooden rods varying in length from 10cm (3.9 inches) to 1 meter (39.5 inches). The segments are painted alternately red and blue with number 1 being red. The end measurement of each rod is 2.5cm square.

Affordable Montessori \$59.00 (regular)
Albanesi \$315.00
Alison's \$50.00 (with number cards)
Bruins \$140.00
Cabdev \$154.00
Caliber \$32.00
Creative Learning \$39.95
E & O \$180.00
Grandpas \$45.00
Hello Wood \$181.00 (red and blue)
Hello Wood \$166.00 (red and unpainted wood)
Juliana \$289.80
Montessori Concepts \$36.00
Montessori Land \$50.00
Montessori Outlet \$42.95
Nienhuis \$185.50
Thinkamajigs \$64.95
Best Montessori Toys \$21.78 (Digital stick)
Meroco Montessori \$13 (Small Numerical Rods)

Stand
Affordable Montessori \$39.00
Alison's \$28.00
Cabdev \$40.00
Creative Learning \$22.95
Montessori Land \$37.00
Thinkamajigs \$36.95

Cards
Bruins \$12.00
Cabdev \$14.00
Creative Learning \$9.95
E & O \$21.00
Grandpas \$8.00
Juliana \$35.00