Mathematics TLM

Arrow cards originated as static cards in Montessori and were adopted in mainstream with the addition of arrow - an extension that can be used to hold the cards up (together) to display for an entire class.

These arrow cards can be extended for decimal numbers. To ensure that the numbers can be extended on either side (i.e. to thousands etc. on the left and to ten-thousandths etc. on the right), the arrow has been replaced by a groove at the decimal point.

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