MTS Math 8.2 Bead Chains - Linear Counting

Shu-Chen Yen's On-Line Montessori Albums

MATH DEVELOPMENT ALBUM

8.2 BEAD CHAINS - LINEAR COUNTING

MATERIALS:

A wooden frame that holds squares of 1 to 10 and the corresponding chains, the color bead materials, the tags that go with beads and holds in the color containers, and a counter.

PREPARATION:

1. Invite the child who has experience with the Decimal System, Teen Board, Ten Board and Static Addition to do this exercise.

2. Make sure that the materials is ready and the space is available to work.

PRESENTATION.

1. Walk with the child to get a big rug.

2. Walk with the child to the location of the material and bring the beads or container one at a time.

3. Layout all bead chain from the 1 to 10 chain from top to the bottom.

4. Put the color container on the left side of bead chain (Should be the same color with color bead.).

5. Remove the lid of tag container 1 and take the tag out.

6. Take the counter and count "1".

7. Put the tag under the left side of bead.

8. Remove the lid of tag container 2 and take the tags out.

9. Take the counter and count 1, 2 and put the tag under the left side of bead.

10. Then take counter again and count 3, 4 and put the tag under the left side of bead

11. Continue the same manner for the rest of bead chains.

12. When finished, return the tags in the container and close the lid.

13. Replace the material to the cabinet properly.

14. Roll the rug and replace it.

CONTROL OF ERROR:

1. Do not put the tags on the right container.

2. Do not count the right amount, so can not find the right number.

3. Put the tags upside down.

POINTS OF INTEREST:

1. Seeing different length of chains.

2. Seeing different color beads container, and tags.

Direct Aims:

1. Learning slip counting.

2. Learning to count in bases other than ten.

Indirect Aims:

1. Preparation for multiplication skill.

2. Development of Order, independent, concentration and coordination.

3. Development of mathematical mind.

AGE:

4 and up

VARIATION:

1. Writing the tag numbers on paper.

2. Let children write the number of counting in bead chains.