Mastering teens. Montessori

S has mastered his teens and we’re slowly moving to working with numbers until 100. Today I’d like to show you materials we used for practicing the teens. First and foremost – teens Seguin boards (you can find here my tutorial for making your own boards and here an information on how to work with them). After…

DIY Seguin boards

Seguin boards are a Montessori maths materials used in primary level to introduce the concept of 2-digit numbers, how they are created and their sequences. There are two boards’ sets – teens for numbers 11-19 and tens for numbers 10-99. Soon I will write a post on how do we work with these boards, today I’d like…