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Schema-based Instruction

Additive and Multiplicative Schemas

Schema-basedInstructionAdditive and Multiplicative Schemas
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Please join the Allegheny Intermediate Unit's Training & Consultation Team for this IN PERSON Training.

Solving mathematical word problems is an ongoing problem for students with both reading and math learning disabilities, as well as students who do not have an identified learning disability. Schema-based instruction is a problem-solving strategy that emphasizes identifying the underlying structure or schema to create a visual representation of the important information in order to be able to solve the problem. Through these sessions, participants will learn each of the underlying structures in additive schemas (addition and subtraction) and multiplicative schemas (multiplication and division) to solve single-step and multi-step word problems.

Participant Information Participant Information

Target Audience:

General education teachers, special education teachers, interventionists & coaches


Act 48 Hours:

  • 5 (five) ACT 48 Hours per session
  • Attendees that participate in both the Additive and Multiplicative sessions, will receive a total of 10 (ten) Act 48 hours.
  • The spring session provides a repeat of the training offered in the fall; participants are free to mix and match sessions to fit your availability.


Cost: There is no cost to attend this training.


Registration Priority: Educators who work for LEAs in the AIU3 region will have priority registration.

Registration / Session Information Registration / Session Information

Fall Trainings Fall Trainings

Additive (Addition and Subtraction) Schemas

Additive schemas are problem-solving structures that involve combining, comparing, or separating quantities using addition and subtraction. Common types include Part-Part-Total, Compare, and Change situations, each emphasizing how quantities are related through an additive relationship.


Date: September 30, 2025

Time: 8:30am-3:00pm

Location: McAuliffe Room, 475 East Waterfront Drive, Homestead, PA 15120

Click to Register for Additive Schemas

Multiplicative (Multiplication and Division) Schemas

Multiplicative schemas are problem-solving structures that involve relationships between quantities using multiplication or division. These include Equal Groups, Comparison, and Proportional situations, where one quantity is a multiple or a fraction of another.


Date: October 21, 2025

Time: 8:30am-3:00pm

Location: McAuliffe Room, 475 East Waterfront Drive, Homestead, PA 15120

Click to Register for Multiplicative Schemas

Spring Trainings Spring Trainings

Additive (Addition and Subtraction) Schemas

Additive schemas are problem-solving structures that involve combining, comparing, or separating quantities using addition and subtraction. Common types include Part-Part-Total, Compare, and Change situations, each emphasizing how quantities are related through an additive relationship.


Date: February 12, 2026

Time: 8:30am-3:00pm

Location: Flexible Instruction, 475 East Waterfront Drive, Homestead, PA 15120

Click to Register for Additive Schemas

Multiplicative (Multiplication and Division) Schemas

Multiplicative schemas are problem-solving structures that involve relationships between quantities using multiplication or division. These include Equal Groups, Comparison, and Proportional situations, where one quantity is a multiple or a fraction of another.


Date: May 05, 2026

Time: 8:30am-3:00pm

Location: Flexible Instruction, 475 East Waterfront Drive, Homestead, PA 15120

Click to Register for Multiplicative Schemas

Contact Information

Training Content Questions:

Shelly Burr, Training and Consultation Coordinator

shelly.burr@aiu3.net


Registration Questions:

Jamila Robinson-Moore, Administrative Support

jamila.robinsonmoore@aiu3.net


Reasonable efforts will be made to accommodate individuals who have special needs as addressed by the Americans with Disabilities Act and who need assistance at this event.

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Amanda Zimmer
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