Overview
The child uses the teens board (a wooden board with compartments for 10-19) and golden bead bars to build teen quantities, associating the numeral cards with the concrete quantity (one ten-bar plus units). This bridges the concrete golden beads with abstract symbols for numbers 11-19.
Objectives
What the child gains from this work
Associate teen numerals (11-19) with their concrete quantities. Understand teen numbers as "ten plus" a unit. Develop place value awareness (tens and units). Strengthen one-to-one correspondence when counting units. Prepare for tens board and full decimal system.
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