Mathematics

The Stamp Game — From Concrete to Abstract Arithmetic

May 7, 2026 · Concept / Article

Lesson of the Day 66: Today your child will take a wonderful step forward in their mathematical journey — moving from the hands-on world of Golden Beads to the more abstract Stamp Game, where colorful tiles unlock the power of addition, subtraction, multiplication, and division with growing confidence and independence. …

The Cylinders and Solid Insets

April 25, 2026 · Concept / Article

Knobbed Cylinders (Cylinder Blocks) & Solid Insets Age: 2½ to 5 years Materials 4 wooden blocks, each containing 10 knobbed cylinders. These beautifully crafted blocks are one of the first sensorial materials your child will work with, and they remain a favorite for years! Recommended materials: Knobbed Cylinder Blocks (Set …

The Pink Tower

April 25, 2026 · Concept / Article

The Pink Tower Ages 2½ to 4 years old Material 10 solid wooden cubes, varying in three dimensions from 1×1×1 centimeters to 10×10×10 centimeters. Each cube increases by exactly one cubic centimeter in each dimension. The pink tower is one of the most iconic pieces of Montessori sensorial equipment and …

Golden Bead Material – Base Ten (Decimal System)

March 18, 2026 · Concept / Article

The Golden Bead Material is one of the most beautiful and powerful tools in the Montessori math curriculum. Through this hands-on, sensorial material, your child will discover the structure of the decimal system — ones, tens, hundreds, and thousands — by actually holding and feeling the difference between a tiny …

The Brown Stair (Broad Stair)

February 24, 2026 · Concept / Article

The Brown Stair (Broad Stair) Ages 2½ to 5 years old Material 10 brown wooden prisms, all the same length (20 centimeters), varying in height and width from 1 centimeter square to 10 centimeters square. Unlike the Red Rods, which vary in only one dimension, the Brown Stair prisms vary …

Days of The Calendar

September 18, 2014 · Concept / Article

There’s something magical about watching a young child discover the rhythm of days, weeks, and months. Calendar work in the Montessori classroom isn’t about rote memorization or singing the days of the week on repeat — it’s about helping children build a genuine, concrete understanding of how time is organized …

Months of the Year

August 25, 2014 · Concept / Article

Months of the Year: A Montessori Approach to Calendar Learning There’s something magical about watching your child begin to understand the rhythm of time. Learning the months of the year is more than memorizing twelve words — it’s about helping your little one connect to the natural world, anticipate beloved …

Big and Small

May 3, 2009 · Concept / Article

Understanding Big and Small: A Foundation for Math Understanding concepts of big and small is one of the most important building blocks for math readiness. In the Montessori method, children explore size relationships through hands-on materials like the Pink Tower and sorting activities long before they encounter abstract numbers. Preschool …

Fractions

March 25, 2009 · Concept / Article

Fractions Fractions are one of the most beautifully taught concepts in the Montessori math curriculum. While many children in traditional classrooms struggle with fractions as an abstract idea, Montessori students experience fractions through their hands first. By physically holding, combining, and comparing fraction pieces, children develop a deep, intuitive understanding …

Pink Tower and Counting

March 8, 2009 · Concept / Article

The Pink Tower is often a child's first taste of Montessori math — before it is a math lesson, it is a sensorial one. Ten pink cubes, each one a centimeter bigger than the last, let little hands discover the words small, smaller, smallest and large, larger, largest long before …

Memory Matching Game

February 6, 2009 · Concept / Article

Fun Games for reading and math readiness. Use the Free Printouts below! Memory and matching games are interesting for all ages. They help develop visual skills, spatial memory and recognition of shapes, sizes and objects. First introduce the game as a matching activity. You can start with 2 or 3 …

Preschool Matching and Sorting Games

January 27, 2009 · Concept / Article

Sorting by Size: Building Your Child’s Cognitive Foundation Through Montessori Learning Have you ever watched your toddler carefully stack cups from biggest to smallest, completely absorbed in the task? That quiet concentration isn’t just adorable — it’s the beginning of something remarkable. When children sort objects by size, they’re laying …

Montessori Math Quantity Matching Game

April 5, 2008 · Concept / Article

Montessori Math Quantity Matching Game One of the most beautiful moments in a child’s mathematical journey is when they make the connection between an abstract numeral and a concrete quantity. That magical "aha" moment — when your child realizes that the symbol "4" actually represents four real objects they can …