### Mathematics: 100 Board

The Montessori 100 Board is divided into 100 squares, with 10 rows of 10 squares each. Children will use the board to practise counting and gain an understanding of number sequences. Once they have a good knowledge of numbers 1-100, the board…

### Mathematics: Small Hexagon Box

The Hexagon Box shows children how different shapes can be used to create other shapes; more specifically, that by joining together different triangles, four-sided figures are formed. The Small Hexagon Box is a lesson that follows on…

### Mathematics: Geometric Solids

Geometric Solids not only form some of the groundwork for geometry but encourage exploration and creative thinking. The apparatus comes in a set of 10 wooden 3-D shapes, including: cube sphere cylinder rectangular prism square-based…

### Mathematics: Memory Game

In Montessori mathematics, the Memory Game is an activity designed to help children develop their memory skills while reinforcing number recognition. The game incorporates movement and encourages both gross and fine motor skills, and is something…

### Mathematics: The Decimal System

Children in Montessori classrooms are introduced to the decimal system and place value using the Golden Bead Material that represents the values of ten in a concrete manner. The Golden Bead Material is composed of beads that are uniform in size…

### Mathematics: 9 Layout

The aim of the 9 Layout lesson is to help children understand number placement (1s, 10s, 100s, 1000s) as well as reiterate the association between quantity and numeral. It’s one of the lengthier mathematics activities and is good for encouraging…

### Mathematics: Estimation Jar

The purpose of the estimation jar is not only to practise counting and problem solving but to develop curiosity about numbers and maths. What might sound like a simple guessing game (and, really, it is that simple) takes on levels of complexity…

### Mathematics: Teen Board

The traditional Montessori Teen Board is used to show children how tens and ones make teens; it is a visual and physical application of building numbers to enable understanding. Quite specific materials are used for the lesson: a teen board…

### Mathematics: Bead Stair

The short bead stair is a way to visually represent number values; making abstract concepts more concrete so that children can better grasp mathematical principles. The objective of the lesson is to reinforce number quantities from 1 to…

### Mathematics: Sandpaper Numbers

The wonderful thing about Montessori learning is that it incorporates the different senses into activities in an effort to assist learning. Sandpaper Numbers is one such activity; it ‘lives’ in the mathematics area of a Montessori classroom…

### Mathematics: Addition Strip Board

Use of the Addition Strip Board requires children to have a good grasp of quantity to numeral because the equations (or addition sums, in a non-Montessori context) that are taught in this exercise are quite abstract. Little ones who have not…

### Mathematics: Addition Snake Game

The Addition Snake Game is a fun way for children to begin memorising facts, and of course, boost their adding skills. The goal of the activity is to turn a colourful snake into a golden snake by counting to ten. The game has three components:…