Subtraction With Number Rods
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| Subtraction With Number Rods | |
|---|---|
| Math - Memory Work | |
 | |
| Level | Primary |
| Age | 4 - 5 |
| Materials | number 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
- step one
- step two
- step three
- step four
- step five
- step six
- step seven
- step eight
- step nine
Points of Interest
Control of Error
Variations and Extensions
Material
Where to Buy
Prices and links last checked: 1 July 2020
Number Rods
Absorbent Montessori $55.00
Adena $57.93
Affordable Montessori $65.00
Alison's $47.25 (with number cards)
Bruins $140.00
E & O $99.00
Hello Wood $205.00 (red and blue)
Hello Wood $189.00 (red and unpainted wood)
IFIT $75.00
Kid Advance $59.99
Leader Joy $77.95
Materials Co. of Boston $125.00
Montessori Concepts $78.00
Montessori Outlet $63.95
Nienhuis $188.80
Thinkamajigs $55.21
Stand
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 $32.26
Number Cards
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 $22.00
Hello Wood $33.00
IFIT $11.00
Kid Advance $12.99
Leader Joy $18.95
Materials Co. of Boston $10.00
Montessori Concepts $16.00
Montessori Outlet $5.95
Montessori Outlet $5.95
Montessori Outlet $5.95 (box)
Nienhuis $12.20
Nienhuis $16.80 (box)
Pink Montessori $12.50
Thinkamajigs $10.16
Table-top Number Rods (2 sets of little rods)
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 $49.00
IFIT $28.00
Kid Advance $31.99
Leader Joy $34.95
Materials Co. of Boston $85.00
Montessori Concepts $34.00
Montessori Outlet $36.95
Nienhuis $121.20
Pink Montessori $24.90
Thinkamajigs $22.91
Half-size Number Rods (5cm-50cm)
Affordable Montessori $34.00
IFIT $30.00
Pink Montessori $19.50
