Teen Board

The Teen Board shows that 11-19 are formed from 10 + additional units. This clarifies the confusing 'teen' naming pattern.

• Framework: Montessori
• Unit: Mathematics
• Learning area: Linear Counting
• Level: Ages 4-6

Objectives

• Understand teen numbers as 10 + units
• Read and build teen numbers
• Connect symbol to quantity
• Prepare for place value

Materials

• Seguin Board (Teen Board): ten printed + sliding numeral cards
• Ten bar + colored bead bars for building

Instructions

1. Present board with 10s printed. 2. Slide '1' beside first 10. 3. 'This is eleven.' 4. Build with ten bar + 1 bead. 5. Continue through 19. 6. Three-period lesson for names.

Educator tip

Emphasize that teens are 'ten and more.' This clarifies the confusing naming convention.

Assessment

Child builds and reads teen numbers, understanding as 10 + units.

More from Mathematics

• Ten Board (Tens Board)
• Hundred Chain
• Golden Beads: Introduction
• Addition Strip Board
• Subtraction Strip Board
• Stamp Game
• Fraction Circles
• Telling Time