Addition With Number Rods: Difference between revisions
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[http://www.nienhuis.com/number-rods-1-2.html Nienhuis] $185.50<br> | [http://www.nienhuis.com/number-rods-1-2.html Nienhuis] $185.50<br> | ||
[https://www.thinkamajigs.com/number-rods/ Thinkamajigs] $64.95<br> | [https://www.thinkamajigs.com/number-rods/ Thinkamajigs] $64.95<br> | ||
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Revision as of 11:56, 27 June 2018
Addition With Number Rods | |
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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
Aims
Direct Aim:
- To show how we get larger numbers from smaller ones.
Indirect Aim:
- 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
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