I made this list of helpful terms when researching Montessori Math lessons for your child…
Abstraction: sequence of materials and activities with those materials that the child engages in
Advanced Organizer: Indicates the broad goal of the activity to the learner
Associative Property: an example is 1+9=10 and 2+8=10
Concentration: The focusing of one’s energy, especially on a particular task
Control of Error: The aspect of a material that gives a child feedback, such as a final puzzle piece that will not fit in if other pieces have not been put in correctly.
Directress: The one who is observing, guiding, and preparing the child’s environment.
Dynamic: borrowing or carrying
Independence: To be dependent and responsible for oneself.
Indirect Aims: Goals that prepare children for future work such as the decimal system, left-to-right, top-to-bottom order (directionality), development of pincher grip, metric system
Informal Diagnostic: An observation to determine a child’s basic abilities.
Isolation of Difficulty: The design of the materials to focus the child’s attention on one concept at a time. All attributes of the lesson remain constant, except for the one that is the focus
Lesson: A prepared activity designed for a child to succeed at a task.
Manipulates: the math materials
Materials: The items that the child will manipulate in a lesson.
Mathematical Mind: mathematical structures or reasons for the order, sequencing, precision of mathematics
Movement: How a child transitions from unconscious to conscious absorbent mind, especially through the use of the hands.
Number: the quantity can hold in your hand
Numerals: written symbols
Numeration: simply counting of one-to-one correspondence
One-to-One Correspondence: Matching, as is one object to another object
Order: Regularity of events during their usual time and items in their usual place.
Point of Interest: What makes a lesson engaging…
Quantities: the number of
Rote: verbally counting in sequential order to a particular order
Static: the same
Three-Period Lesson: A technique used to establish the names or attributes of materials including naming, recognition, and pronunciation.
Touch Math: a concept of touching the number to learn value
Variation: Varying a tool or material in a lesson while using the same amount of steps, in order to keep the lesson interesting.