Set containing the Teen Boards (Wooden box with 2 boards with wooden numerals teaching the numbers 11-19) and Tens Boards (Wooden box with 2 boards teaching the numbers 11-99).
- Ten Board: To associate the names 'ten, twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety' with their quantities and symbols, and to introduce counting from 1 to 99.
- Teens Board - To associate the names 'eleven' to 'nineteen' with their quantities and symbols, and to combine the quantities and symbols.
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