A set of small labels, 10 to 90 in blue, 100 to 900 in red, 1000 to 9000 in green.

Hundred Squares.

A Thousand Cube.

Floor mat.

OBJECTIVES:

Help the child realize how much bigger one hundred are than one ten, and how much bigger one thousand is than one hundred.

Help the child grasp the conservation of number and reversibility.

Introduce the child to counting in tens.

CONTROL OF ERROR:

NA

AGE:

3 – 6 years approx.

Unfold the thousand chains, stretching them straight.

Now you begin to count and place the markers.

At every ten, you would place the corresponding blue marker, 10, 20, and 30,….. When you reach 100, place a red marker on the chain and a hundred square on top.

Proceed in this manner until you reach the end where it should be a thousand.

Conclude by placing a green marker and the Thousand Cube.

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