Linear Counting: Chains of 100 and 1000 Golden Beads

LINEAR COUNTING: CHAINS OF 100 AND 1000 GOLDEN BEADS

Purpose:
To consolidate the child’s knowledge of counting.

Materials:
The golden 100 chain of 10 ten bars.
A box (red, if possible) containing labels: 1 to 9 in green; tens in blue; one red 100.
Golden bead square of 100.
The golden 1000 chain of 100 ten bars.
A box (green, if possible) containing these labels: 1 to 9 in green; tens in blue; hundreds in red, numbers between hundreds, ie. 130, in blue; one green label for 1000.
This is a total of 10 green, 90 blue and 9 red.
Ten golden hundred squares and one golden thousand cube.
A long piece of carpet or felt the length of 1000 chain.

Control:
The labels and the teacher’s guidance.

Age:
5 – 6 years

Presentation:
Set out a mat for 100 chain.
Introduce the bead cabinet and the 100 chain.
Stress the careful handling of the chains.
Show how to carry the chain with palms up, lay the chain over the child’s hands.
At the mat, fold the chain in a zigzag manner.
Pull the right end to straighten the chain in a horizontal manner.
Invite the child to fold the chain.
With the child bring a hundred square from the cabinet to the mat.
Superimpose the hundred square on the folded chain.
The child straightens the chain, placing the square above the last ten bar, at the right.
With the child bring the appropriate arrows (color coded) from the shelf to the mat.
Lay out the arrows with the numbers facing up, sorted by color.
Count the beads from left to right, placing an arrow for each bead in the first bar.
For the remaining bars label the last bead in each bar.
When the chain has been counted, note the number of beads in the chain.
Read the arrows in sequence.

Exercise: As in the presentation.

Exercise 2:
Introduce the special mat and set it out.
Introduce the 1000 chain.
Show how to carry the chain.
Note the chain’s rings. Hold the left hand perpendicular to the floor, close to the cabinet.
Lift the chain from the left hook and over on to your hand, so that the ring lies on top of the index finger.
Proceed as above for each ring, then return the chain to the cabinet one ring at a time.
Invite the child to remove the chain from the cabinet and carry it to the mat.
Lay out the chain horizontally on the mat.
With the child, fold the chain as above.
The ring denotes the end of each square which leaves a space.
After each square is folded get a hundred square from the cabinet and superimpose it on to the folded chain. When the chain is folded count the hundreds.
Get the 1000 cube from the cabinet – compare by stacking the hundreds.
Pull out the chain – place a square above the last bar of each section at the right, place a cube at the end of the chain.
Lay out the arrows, sorting by color and by hundreds.
Count as above, establishing the repeating process.
When the chain has been counted, note the number of beads in the chain.
Read the arrows in sequence.
Show the child how to pick up the chain by every other ring.

 

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