Book 2: Numbers 11-19

Your child will explore the teen numbers with Montessori materials and learn that they are made of a ten plus some units, giving them a deep understanding of place value and preparing them for addition, subtraction, and building numbers beyond twenty.

What you’ll get

  • Over 90 pages of guided lessons.
  • Printable math material.
  • Step-by-step instructions.
  • Tips to engage your child.
  • 40+ activity cards and math tools.
  • Formatted to be printed double-sided.
  • And more!

Price range: $15.00 through $29.99

Hands-on math activities that work!

Take your child beyond simple counting and unlock their understanding of the “teen” numbers with a step-by-step Montessori lesson plan that makes place value crystal clear.


Using golden beads, colored bead bars, the Seguin board, and more, your child will see that 11–19 are not random numbers to memorize but logical combinations of ten and units—building confidence, problem-solving skills, and excitement for bigger math challenges ahead.

What I believe

early-childhood-math-matters

Early childhood math matters

During early childhood, the brain undergoes rapid growth, forming millions of neural connections.

Every child can learn math

When children engage physically with math, abstract ideas become accessible, no matter their learning style.

math-skills-for-life

Skills for life

A strong math foundation builds lifelong confidence. Problem-solving, logic, and reasoning extend beyond numbers.

no-screen-time

Screen time is not the answer

Digital apps distract more than they teach. True math literacy comes from real-world, hands-on learning.

parent-child-involvement

Parent Involvement

Children thrive when parents support their learning journey. After all, you are their biggest role model.

hands-on-math

100% hands-on

Hands-on learning strengthens connections between the visual, motor, and reasoning centers of the brain, making math comprehension more intuitive.

growing-math-minds-free-e-book-montessori-math

Get your free guide
PLUS 10% off

This 11-page e-guide uncovers how to introduce math to your child in a way that is easy, engaging, and effective – all backed by neuroscience.

PLUS get 10% off on any lesson plan and online course!

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