# Number Rods With Numerals

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Number Rods With Numerals
Math - Numbers 0-10
LevelPrimary
Age3 - 3.5
PrerequisitesNumber Rods
Sandpaper Numerals
MaterialsNumber 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.

Prices and links checked: 07 October 2020

Number Rods
Store Price
Absorbent Montessori \$55.00
Affordable Montessori \$65.00
Alison's
with number cards
\$47.25
Bruins \$170.00
E & O \$89.10
Hello Wood
red and blue
\$205.00
Hello Wood
red and unpainted wood
\$189.00
IFIT \$75.00
Materials Co. of Boston \$125.00
Montessori Concepts \$78.00
Montessori Outlet \$63.95
Nienhuis \$149.15
Thinkamajigs \$64.95
Stand
Store Price
Absorbent Montessori \$32.00
Affordable Montessori \$39.00
Alison's \$30.87
Alison's \$47.50
Best Montessori Toys \$57.04
Bruins \$55.00
Hello Wood \$55.00
IFIT \$30.00
Material Co. of Boston \$49.00
Montessori Concepts \$34.00
Montessori Outlet \$35.95
Pink Montessori \$26.90
Thinkamajigs \$37.95
Number Cards
Store Price
Absorbent Montessori \$9.00
Affordable Montessori \$12.00
Alison's \$10.00
Alison's \$14.25
Alison's \$12.75
Best Montessori Toys \$33.50
Bruins \$20.00
E & O \$19.80
Hello Wood \$33.00
IFIT \$11.00
Materials Co. of Boston \$10.00
Montessori Concepts \$19.00
Montessori Outlet \$5.95
Montessori Outlet \$5.95
Montessori Outlet
box
\$5.95
Nienhuis \$12.20
Nienhuis
box
\$16.80
Pink Montessori \$12.50
Thinkamajigs \$11.95
Table-top Number Rods (2 sets of little rods)
Store Price
Absorbent Montessori \$22.00
Affordable Montessori \$27.00
Alison's \$71.25
Alison's \$29.40
Best Montessori Toys \$39.00
Bruins \$100.00
E & O \$44.10
IFIT \$28.00