Addition With Number Rods
We've updated our prices on products from many online Montessori stores! If we've missed your favorite store, please let us know! |
Addition With Number Rods | |
---|---|
Math - Memory Work | |
Level | Primary |
Age | 4 - 5 |
Prerequisites | Number Rods With Numerals |
Materials | Number Rods numeral cards 1-10 2 "+" signs 2 "=" signs |
This activity introduces the child to simple addition facts.
Presentation
- Bring the material to the mat. Grade the rods.
- Place the 1 rod and the 2 rod end to end. Ask the child to find one rod that is as long as the two put together.
- Place the 3 rod below to compare. "This rod and this rod put together are the same as this rod."
- "Here's another way we can say it:" place the symbols as shown.
- Count the rods and place the appropriate number cards. "One plus two is the same as three."
- Scoot the number cards down and add the second set of symbols. "One plus two equals three."
Points of Interest
Purpose
Direct Purpose
- To show how we get larger numbers from smaller ones.
Indirect Purpose
- To show the limits of base 10.
- Inquiry into the concept of one half.
Control of Error
- The ten rod.
- The visual shape of the layout.
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