Friday, 2 May 2014

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Montessori Activity: Static Addition with Number Rods - Unit Place Value (加法 [jiāfǎ])


AGE: 4.5 to 6 years (after the child has mastered the Plus and Equals and the Number Rods counting exercises)
OBJECTIVE(S): To provide a concrete representation of the addition of the unit place value concept.
MATERIAL:
1.     2 sets of Number Rods

2.     1 addition worksheet

PRESENTATION:
1.     Place the two sets of Number Rods side-by-side each arranged in a stair formation each with 1 at the bottom and 10 on top.


2.     Read to your child or have your child read the first question: “1+3=?”

3.     Let your child pick the first addend 1 from the number rods, count it and place it on the mat.



4.     Let your child pick the second addend 3 from the number rods, count it and place it on the mat, making sure that the beads are not taken from the same set of number rods.

5.     Let your child place both number rods in a line on the mat.

6.     Have your child count the total number of sections: “1,2,3…”

7.     Ask your child to write or paste the result onto the equation and say: “1+3=4”.



8.     Return the number rods and encourage your child to try the different combinations from the worksheet.
VARIATIONS:
1.     Addition with colored short bead bars.
2.     Addition with other concrete materials.
REFERENCES:
Shu-Chen Jenny Yen’s On-line Montessori Albums http://faculty.fullerton.edu/syen/mts/math/_link.htm
Brilliant Minds Montessori Maths Curriculum

ADDITION INFORMATION:

J tried this on 6 May 2014 (5Y2M1D). He was a little bored with it, but was willing to complete all the sums in the worksheet. Perhaps I had introduced to him a little too late. I don't think I will be repeating this activity. We will move on to other addition activities.

6 May 2014 (5Y2M1D)







4 comments:

  1. Hi, great blog post! Can you share where you obtained the workbook that your son is using in all the pictures? It looks very thorough and is exactly what I am looking ofr, but haven't been able to find. thank you very much.

    ReplyDelete
  2. Hi, Thanks. I use Singapore Maths. I bought it from the Popular Bookshop in Singapore (www.popular.com.sg) You can see more pictures of Singapore Maths from my post below.

    http://www.familyfecs.com/2014/04/teaching-addition.html

    Let me know if you are able to get the workbook or if you need more help.

    ReplyDelete
  3. Hi - thanks for the prompt response - it's much appreciated. I can obtain Singapore Maths in the US, but can you please indicate the name of this workbook? thanks again!

    ReplyDelete
  4. The title and name to the book is provided in the link to the picture of the book from my earlier comment. It is the orange book called "300... Kindergarten Maths" by EPH. Please look again carefully.

    ReplyDelete

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