Subtraction With Number Rods

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Subtraction With Number Rods
Math - Memory Work
Sub with rods 9.JPG
LevelPrimary
Age4 - 5
Materialsnumber rods
numeral cards 1-10
red rod #5

Look, I think we should all just admit that this material is not great for teaching subtraction. Teach the concept some other way. This is just confusing.

Presentations

  1. step one
    Sub with rods 1.JPG
  2. step two
    Sub with rods 2.JPG
  3. step three
    Sub with rods 3.JPG
  4. step four
    Sub with rods 4.JPG
  5. step five
    Sub with rods 5.JPG
  6. step six
    Sub with rods 6.JPG Sub with rods 7.JPG
  7. step seven
    Sub with rods 8.JPG
  8. step eight
    Sub with rods 9.JPG
  9. step nine
    Sub with rods 10.JPG

Points of Interest

Control of Error

Variations and Extensions

Material

Where to Buy

Prices and links checked: 07 October 2020

Number Rods
Store Price
Absorbent Montessori $55.00
Adena $57.93
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
Kid Advance $28.99
Leader Joy $77.95
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
Adena $28.93
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
Kid Advance $28.99
Leader Joy $33.95
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
Adena $11.94
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
Kid Advance $13.99
Leader Joy $18.95
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
Adena $30.93
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
Kid Advance $36.99
Leader Joy $34.95
Materials Co. of Boston $85.00
Montessori Concepts $35.00
Montessori Outlet $36.95
Nienhuis $121.20
Pink Montessori $24.90
Thinkamajigs $26.95
Half-size Number Rods (5cm-50cm)
Store Price
Affordable Montessori $34.00
IFIT $30.00
Pink Montessori $19.50