Montessori Static Subtraction with the Golden Beads

MATERIALS:

A bank of Golden Beads

A set of large number cards

Three sets of small number cards

2 felt mats

A felt lined tray for each child

3 tables – one for the beads (bank)

one for the cards

one floor mat

OBJECTIVES:

To teach the child about subtraction in the concrete form.

To teach the child the term “subtraction”

CONTROL OF ERROR:

NA

AGE:

4 – 5 years approx.

He also takes away 2 ten bed bars, and 2 hundred bead squares from the mat and places them on his tray.

Show the child how to place the small number cards under the large number cards to remind him of the number that he subtracted.

The tray with the beads is then set to one side on the mat.

The Montessori Directress then tells the children that we must count the beads left over on the mat to find our answer.

We start counting the units, then the tens, then the hundreds.

The child collects and places the corresponding small number cards below the beads at every stage.

The Montessori Directress re-states the sum. She also says that we did “subtraction” – that is, we started with a big amount and now we only have a small amount of beads left.

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