Teen Boards (Seguin A)

Teen numbers are confusing because naming doesn't follow pattern. Teen Boards show that 'thirteen' is 10+3, building understanding of the irregular names.

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

Objectives

• Understand teen numbers as 10 + units
• Connect quantity to teen numerals
• Build place value understanding
• Extend counting beyond 10

Materials

• Teen Boards (Seguin A): Two boards with 10 printed, slots for unit digits
• Number tiles 1-9
• 9 ten-bars and unit beads from Golden Beads

Instructions

1. Place ten-bar beside board. 'This is ten.' 2. Slide 1 into first slot. 'Ten and one is eleven.' 3. Add one bead beside ten-bar. 4. Continue through nineteen. 5. Practice naming teens with quantity. 6. Three-period lesson for recognition.

Educator tip

Emphasize 'ten and...' pattern even though names are irregular. Build quantity each time.

Assessment

Child reads teen numbers, builds quantities, and understands 10 + units composition.

More from Mathematics

• Ten Boards (Seguin B)
• Hundred Board
• Golden Beads: Introduction
• Golden Beads: Building Large Numbers
• Addition with Golden Beads
• Subtraction with Golden Beads
• Stamp Game
• Multiplication: Bead Bars