Addition With Number Rods: Difference between revisions

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== Points of Interest ==
== Points of Interest ==


==Purpose==
==Aims==
===Direct Purpose===
Direct Aim:
*To show how we get larger numbers from smaller ones.
#To show how we get larger numbers from smaller ones.


===Indirect Purpose===
Indirect Aim:
*To show the limits of base 10.
#To show the limits of base 10.
*Inquiry into the concept of one half.
#Inquiry into the concept of one half.


== Control of Error ==
== Control of Error ==
Line 40: Line 40:
== Variations and Extensions ==
== Variations and Extensions ==


== Material ==
== Material hi ==
===Where to Buy===
===Where to Buy===
[[Category:Where to Buy]]
<div style="float: left; width: 40%">
Prices and links checked: 31 July 2020
'''Number Rods'''<br>
<div class="buyGrid">
[http://adenamontessori.us/details.php?did=34 Adena] $32.07<br>
<div class="buyElement">
[http://www.affordmontessori.com/product_details.asp?productcode=%27MA01A%27 Affordable Montessori] $59.00 (regular)<br>
{| class="buytable sortable"
[http://www.affordmontessori.com/product_details.asp?productcode=%27MA01P%27 Affordable Montessori] $99.00 (premium)<br>
|-
[http://www.montessoriresources.com/Number-Rods-P471C7.aspx Albanesi] $315.00<br>
!colspan="2"|Number Rods
[http://www.alisonsmontessori.com/Blue_and_Red_Number_Rods_p/m01.htm Alison's] $50.00 (with number cards)<br>
|-
[http://www.bruinsmontessori.com/itemdetails.php?item_id=42 Bruins] $140.00<br>
! Store !! Price
[http://www.cabdevmontessori.com/product.php?productid=16711&cat=253&page=1 Cabdev] $154.00<br>
|-
[http://www.calibermontessori.com/catalog/item/3528880/3218639.htm Caliber] $32.00<br>
|[https://www.absorbentmontessorimaterial.com/product_p/m02.htm Absorbent Montessori]
[http://www.montessoribuy.com/cartdetails.asp?id=HTM0190 Creative Learning] $39.95<br>
|$55.00
[http://www.montessorimaterials.com/content/number-rods E & O] $180.00<br>
|-
[http://www.grandpas.ca/product_info.php/cPath/5/products_id/150?osCsid=83c822997e144b01a8146bf83ec2873e Grandpas] $45.00<br>
|[https://adenamontessori.us/details.php?did=34 Adena]
[http://shop.hellowood.com/Red-Blue-Rods-M7.htm Hello Wood] $181.00 (red and blue)<br>
|$57.93
[http://shop.hellowood.com/Red-Natural-Rods-M71.htm Hello Wood] $166.00 (red and unpainted wood)<br>
|-
[http://www.julianagroup.com/mathematics.lasso?page=detail&Category=&SubCategory=Mathematics&NewItem=&Overstock=&Description=&skip=0 Juliana] $289.80<br>
|[https://www.affordmontessori.com/index.php/number-rods-regular.html Affordable Montessori]
[http://www.kidadvance.com/Store/ProductDetails.asp?pid=277&catid=4 Kid Advance] $39.99<br>
|$65.00
[http://www.montessoriconcepts.com/products.php?cat=Math&num=3 Montessori Concepts] $36.00<br>
|-
[http://www.montessoriland.com/site/1270021/product/ID_%202006 Montessori Land] $50.00<br>
|[https://www.alisonsmontessori.com/Blue_and_Red_Number_Rods_p/m01.htm Alison's]<br><span class="comment">with number cards</span>
[http://www.montessorioutlet.com/cgi-bin/item/510500010/5105/Montessori%2DOutlet%2DNumerical%2DRods%2D Montessori Outlet] $42.95<br>
|$47.25
[http://www.nienhuis.com/number-rods-1-2.html Nienhuis] $185.50<br>
|-
[https://www.thinkamajigs.com/number-rods/ Thinkamajigs] $64.95<br>
|[https://bruinsmontessori.com/products/mathematics/number-rods.html Bruins]
 
|$140.00
</div><div style="float: left; width: 30%">
|-
'''Stand'''<br>
|[https://usa.montessorimaterials.com/products/number-rods E & O]
[http://adenamontessori.us/details.php?did=35 Adena] $18.66<br>
|$99.00
[http://www.affordmontessori.com/product_details.asp?productcode=%27MA01B%27 Affordable Montessori] $39.00<br>
|-
[http://www.alisonsmontessori.com/Stand_for_Red_Rods_and_Number_Rods_p/f03.htm Alison's] $28.00<br>
|[https://shop.hellowood.com/Red-Blue-Rods-M7.htm Hello Wood]<br><span class="comment">red and blue</span>
[http://www.alisonsmontessori.com/Stand_for_Red_Rods_and_Number_Rods_Premium_Qualit_p/pf07.htm Alison's] $50.00 (premium)<br>
|$205.00
[http://www.cabdevmontessori.com/product.php?productid=16977&cat=253&page=1 Cabdev] $40.00<br>
|-
[http://www.montessoribuy.com/cartdetails.asp?id=HTM0191 Creative Learning] $22.95<br>
|[https://shop.hellowood.com/Red-Natural-Rods-M71.htm Hello Wood]<br><span class="comment">red and unpainted wood</span>
[http://www.kidadvance.com/Store/ProductDetails.asp?Pid=85 Kid Advance] $24.99<br>
|$189.00
[http://www.montessoriland.com/site/1270021/product/ID_%208001 Montessori Land] $37.00<br>
|-
[https://www.thinkamajigs.com/rods-rack/ Thinkamajigs] $36.95<br>
|[https://www.montessoriequipment.com/IFIT-Montessori-Numerical-Rods-p/m.104.1.htm IFIT]
|$75.00
|-
|[https://www.kidadvance.com/numerical-rods.html Kid Advance]
|$59.99
|-
|[https://www.leaderjoyusa.com/Montessori/Montessori%20mathematics/premium-numerical-rods.html Leader Joy]
|$77.95
|-
|[https://www.thematerialscompany.com/collections/mathematics/products/number-rods-red-blue Materials Co. of Boston]
|$125.00
|-
|[http://www.montessoriconcepts.com/store/p2/NUMERICAL_RODS_%28MA001%29.html Montessori Concepts]
|$78.00
|-
|[https://montessorioutlet.com/authentic-montessori/mathematics/numerical-rods.html Montessori Outlet]
|$63.95
|-
|[https://www.nienhuis.com/us/en/number-rods-nienhuis-montessori-usa/product/4187/ Nienhuis]
|$188.80
|-
|[https://www.thinkamajigs.com/number-rods/ Thinkamajigs]
|$55.21
|}
</div>
<div class="buyElement">
{| class="buytable sortable"
|-
!colspan="2"|Stand
|-
! Store !! Price
|-
|[https://www.absorbentmontessorimaterial.com/product_p/m01.htm Absorbent Montessori]
|$32.00
|-
|[https://adenamontessori.us/details.php?did=35 Adena]
|$28.93
|-
|[https://www.affordmontessori.com/index.php/montessori-material/mathematics/stand-for-red-rods.html Affordable Montessori]
|$39.00
|-
|[https://www.alisonsmontessori.com/Stand_for_Red_Rods_and_Number_Rods_p/f03.htm Alison's]
|$30.87
|-
|[https://www.alisonsmontessori.com/Red_Rod_Stand_Premium_Quality_p/pf07.htm Alison's]
|$47.50
|-
|[https://bestmontessoritoys.com/montessori-sensorial/136-montessori-stand-for-long-red-rods-or-number-rods.html Best Montessori Toys]
|$57.04
|-
|[https://bruinsmontessori.com/products/sensorial/stand-for-red-rods-number-rods-green-rods.html Bruins]
|$55.00
|-
|[https://shop.hellowood.com/Red-Rod-Stand-S21Stand.htm Hello Wood]
|$55.00
|-
|[https://www.montessoriequipment.com/IFIT-Montessori-Stand-for-Red-Numerical-Rods-p/s.002.2.htm IFIT]
|$30.00
|-
|[https://www.kidadvance.com/stand-for-numerical-rods.html Kid Advance]
|$28.99
|-
|[https://www.leaderjoyusa.com/Montessori/Montessori%20mathematics/stand-for-numerical-rods.html Leader Joy]
|$33.95
|-
|[https://www.thematerialscompany.com/collections/sensorial/products/stand-hold-red-rods-or-number-rods Material Co. of Boston]
|$49.00
|-
|[http://www.montessoriconcepts.com/store/p10/STAND_FOR_NUMBER%2FRED_RODS_%28MA003%29__%28rods_sold_separately%29.html Montessori Concepts]
|$34.00
|-
|[https://montessorioutlet.com/authentic-montessori/mathematics/stands-for-long-red-rods-numerical-rods.html Montessori Outlet]
|$35.95
|-
|[https://www.pinkmontessori.com/collections/mathematics-1/products/rack-for-red-rods Pink Montessori]
|$26.90
|-
|[https://www.thinkamajigs.com/rods-rack/ Thinkamajigs]
|$32.26
|}
</div>
<div class="buyElement">
{| class="buytable sortable"
|-
!colspan="2"|Number Cards
|-
! Store !! Price
|-
|[https://www.absorbentmontessorimaterial.com/product_p/m04.htm Absorbent Montessori]
|$9.00
|-
|[https://adenamontessori.com/ius/details.php?did=1391 Adena]
|$11.94
|-
|[https://www.affordmontessori.com/index.php/montessori-material/mathematics/wooden-numbers-for-number-rods-1-10-with-box.html Affordable Montessori]
|$12.00
|-
|[https://www.alisonsmontessori.com/Number_Cards_for_the_Number_Rods_p/m01.a.htm Alison's]
|$10.00
|-
|[https://www.alisonsmontessori.com/Wooden_Cards_for_the_Red_and_Blue_Number_Rods_p/pm06.htm Alison's]
|$14.25
|-
|[https://www.alisonsmontessori.com/Printed_Numerals_1_10_Premium_Quality_German_Pr_p/pm06.g.htm Alison's]
|$12.75
|-
|[https://bestmontessoritoys.com/montessori-mathematics/192-montessori-digital-board-learning.html Best Montessori Toys]
|$33.50
|-
|[https://bruinsmontessori.com/products/mathematics/printed-numbers-with-box.html Bruins]
|$20.00
|-
|[https://usa.montessorimaterials.com/products/numerals-number-rods E & O]
|$22.00
|-
|[https://shop.hellowood.com/Numbers-Box-for-Rods-M8.htm Hello Wood]
|$33.00
|-
|[https://www.montessoriequipment.com/IFIT-Montessori-Number-Cards-For-Numerical-Rods-p/m.104.3.htm IFIT]
|$11.00
|-
|[https://www.kidadvance.com/printed-numeral-wooden-cards-with-box.html Kid Advance]
|$12.99
|-
|[https://www.leaderjoyusa.com/Montessori/Montessori%20mathematics/numeral-card.html Leader Joy]
|$18.95
|-
|[https://www.thematerialscompany.com/collections/mathematics/products/figures-on-wood-print Materials Co. of Boston]
|$10.00
|-
|[http://www.montessoriconcepts.com/store/p9/PRINTED_NUMBERS_%28MA001-2%29.html Montessori Concepts]
|$16.00
|-
|[https://montessorioutlet.com/authentic-montessori/mathematics/printed-numerals-usa-print.html Montessori Outlet]
|$5.95
|-
|[https://montessorioutlet.com/authentic-montessori/mathematics/printed-numerals-cursive.html Montessori Outlet]<br><span class="comment">&emsp;Montessori Outlet</span>
|$5.95[https://montessorioutlet.com/authentic-montessori/mathematics/printed-numerals-box.html
|-
|[https://www.nienhuis.com/us/en/printed-numerals-us-version-nienhuis-montessori-usa/product/4399/ Nienhuis]<br><span class="comment">&emsp;Nienhuis</span>
|$12.20[https://www.nienhuis.com/us/en/cut-out-numerals-/-printed-numerals-box-nienhuis-montessori-usa/product/4699/
|-
|[https://www.pinkmontessori.com/collections/mathematics-1/products/printed-numerals-cards-for-numerical-rods Pink Montessori]
|$12.50
|-
|[https://www.thinkamajigs.com/number-rod-cards/ Thinkamajigs]
|$10.16
|}
</div>
<div class="buyElement">
{| class="buytable sortable"
|-
!colspan="2"|Table-top Number Rods (2 sets of little rods)
|-
! Store !! Price
|-
|[https://www.absorbentmontessorimaterial.com/product_p/m03.htm Absorbent Montessori]
|$22.00
|-
|[https://adenamontessori.com/ius/details.php?did=190 Adena]
|$30.93
|-
|[https://www.affordmontessori.com/index.php/montessori-material/mathematics/small-number-rods-set-of-2.html Affordable Montessori]
|$27.00
|-
|[https://www.alisonsmontessori.com/Small_Numeric_Rods_Premium_Quality_p/pm45.htm Alison's]
|$71.25
|-
|[https://www.alisonsmontessori.com/Table_Top_Number_Rods_p/m05.htm Alison's]
|$29.40
|-
|[https://bestmontessoritoys.com/montessori-mathematics/12-lock-box-exercises-with-colour-doors.html Best Montessori Toys]
|$39.00
|-
|[https://bruinsmontessori.com/products/mathematics/2-sets-of-number-rods-small-with-box-tiles.html Bruins]
|$100.00
|-
|[https://usa.montessorimaterials.com/products/small-number-rods E & O]
|$49.00
|-
|[https://www.montessoriequipment.com/IFIT-Montessori-Small-Numerical-Rods-p/m.105.1.htm IFIT]
|$28.00
|-
|[https://www.kidadvance.com/small-numerical-rods.html Kid Advance]
|$31.99
|-
|[https://www.leaderjoyusa.com/Montessori/Montessori%20mathematics/small-numerical-rods.html Leader Joy]
|$34.95
|-
|[https://www.thematerialscompany.com/collections/mathematics/products/small-number-rods-with-tiles-and-box Materials Co. of Boston]
|$85.00
|-
|[http://www.montessoriconcepts.com/store/p4/SMALL_NUMBER_RODS%28MA002%29.html Montessori Concepts]
|$34.00
|-
|[https://montessorioutlet.com/authentic-montessori/mathematics/small-numerical-rods.html Montessori Outlet]
|$36.95
|-
|[https://www.nienhuis.com/us/en/small-numerical-rods-nienhuis-montessori-usa/product/4973/ Nienhuis]
|$121.20
|-
|[https://www.pinkmontessori.com/collections/mathematics-1/products/small-numerical-rods Pink Montessori]
|$24.90
|-
|[https://www.thinkamajigs.com/small-number-rods/ Thinkamajigs]
|$22.91
|}
</div>
<div class="buyElement">
{| class="buytable sortable"
|-
!colspan="2"|Half-size Number Rods (5cm-50cm)
|-
! Store !! Price
|-
|[https://www.affordmontessori.com/index.php/montessori-material/mathematics/mini-number-rods.html Affordable Montessori]
|$34.00
|-
|[https://www.montessoriequipment.com/IFIT-Montessori-Numerical-Rods-p/m.247.1.htm IFIT]
|$30.00
|-
|[https://www.pinkmontessori.com/products/family-set-number-rods Pink Montessori]
|$19.50
|}
</div>
</div>
</div>

Revision as of 19:48, 31 July 2020

Addition With Number Rods
Math - Memory Work
Addition with Number Rods 5.JPG
LevelPrimary
Age4 - 5
PrerequisitesNumber Rods With Numerals
MaterialsNumber Rods
numeral cards 1-10
2 "+" signs
2 "=" signs

This activity introduces the child to simple addition facts.

Presentation

  1. Bring the material to the mat. Grade the rods.
    Addition with Number Rods 1.JPG
  2. 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.
    Addition with Number Rods 2.JPG
  3. Place the 3 rod below to compare. "This rod and this rod put together are the same as this rod."
    Addition with Number Rods 3.JPG
  4. "Here's another way we can say it:" place the symbols as shown.
    Addition with Number Rods 4.JPG
  5. Count the rods and place the appropriate number cards. "One plus two is the same as three."
    Addition with Number Rods 5.JPG
  6. Scoot the number cards down and add the second set of symbols. "One plus two equals three."
    Addition with Number Rods 6.JPG

Points of Interest

Aims

Direct Aim:

  1. To show how we get larger numbers from smaller ones.

Indirect Aim:

  1. To show the limits of base 10.
  2. Inquiry into the concept of one half.

Control of Error

  • The ten rod.
  • The visual shape of the layout.

Variations and Extensions

Material hi

Where to Buy

Number Rods
Adena $32.07
Affordable Montessori $59.00 (regular)
Affordable Montessori $99.00 (premium)
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
Kid Advance $39.99
Montessori Concepts $36.00
Montessori Land $50.00
Montessori Outlet $42.95
Nienhuis $185.50
Thinkamajigs $64.95

Stand
Adena $18.66
Affordable Montessori $39.00
Alison's $28.00
Alison's $50.00 (premium)
Cabdev $40.00
Creative Learning $22.95
Kid Advance $24.99
Montessori Land $37.00
Thinkamajigs $36.95

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