12.1 Universal Design for Learning (UDL) & Differentiated Instruction

Key Takeaways

  • Universal Design for Learning (UDL) proactively removes barriers across three core principles: Multiple Means of Engagement (affective networks), Multiple Means of Representation (recognition networks), and Multiple Means of Action & Expression (strategic networks).
  • Differentiated Instruction (DI) responsively adapts learning to student readiness, interest, and learning profile by modifying Content (what is learned), Process (how it is learned), Product (how learning is demonstrated), or Learning Environment.
  • In Ontario education policy (IEP guidelines), Accommodations alter teaching strategies, technology, or assessment formats without changing grade-level curriculum expectations, whereas Modifications alter the specific grade-level curriculum expectations evaluated.
  • Designing tasks with 'Low Floors and High Ceilings' exemplifies UDL and DI by allowing all students to access the task at their readiness level while providing room for advanced extension.
  • Modifications require checking the 'MOD' box on the Ontario Provincial Report Card and evaluating students against individualized learning goals outlined in their IEP.
Last updated: August 2026

Universal Design for Learning (UDL) & Differentiated Instruction

In Ontario, mathematics classrooms are vibrant, diverse communities of learners with varying background knowledge, readiness levels, linguistic profiles, sensory needs, and learning styles. To ensure every student achieves mathematical success and develops mathematical agency, educators must implement inclusive pedagogical frameworks. The Ontario Ministry of Education policy document Learning for All: A Guide to Effective Assessment and Instruction for All Students, Kindergarten to Grade 12 (2013) outlines two foundational, complementary frameworks for equity and inclusion: Universal Design for Learning (UDL) and Differentiated Instruction (DI). Together, these frameworks ensure that instructional environments, learning tasks, and assessment practices are intentionally designed to remove barriers and optimize learning for all students.


Universal Design for Learning (UDL) in Mathematics

Universal Design for Learning is a framework for designing instruction that is accessible and challenging for all students from the outset, significantly reducing the need for retrofitted, after-the-fact accommodations. Originating from architectural design—where features like curb cuts benefit individuals with mobility devices, parents pushing strollers, travelers with luggage, and delivery workers alike—UDL in education assumes that learner variability is the natural norm, not an exception.

UDL is organized around three core principles, each corresponding to specific neurological networks in the learning brain:

+---------------------------------------------------------------------------------+
|                      UNIVERSAL DESIGN FOR LEARNING (UDL)                       |
+---------------------------------------------------------------------------------+
|  1. Multiple Means of ENGAGEMENT      | The "WHY" of Learning                   |
|     - Tap into interests, self-regulation, low-floor high-ceiling tasks         |
+---------------------------------------------------------------------------------+
|  2. Multiple Means of REPRESENTATION  | The "WHAT" of Learning                  |
|     - Concrete-Representational-Abstract (CRA), visual models, applets          |
+---------------------------------------------------------------------------------+
|  3. Multiple Means of ACTION & EXPRESSION | The "HOW" of Learning               |
|     - Flexible communication: oral, written, digital tools, screencasts        |
+---------------------------------------------------------------------------------+

1. Multiple Means of Engagement (The "Why" of Learning)

Engagement focuses on stimulating motivation, sustaining interest, and fostering self-regulation in mathematics.

  • Providing Options for Recruiting Interest: Connecting mathematical problems to authentic real-world contexts, community issues, financial literacy scenarios, and student interests rather than relying exclusively on abstract textbook exercises.
  • Sustaining Effort and Persistence through Low-Floor, High-Ceiling Tasks: Designing mathematical tasks with a low floor (accessible entry point using basic prior knowledge) and a high ceiling (opportunities for deep mathematical extension and generalization). This structure allows all students in a heterogeneous classroom to engage meaningfully with the same big mathematical idea.
  • Fostering Self-Regulation and Agency: Supporting students to set personal learning goals, reflect on problem-solving strategies, monitor their emotional responses to challenge, and develop resilience during problem-solving.

2. Multiple Means of Representation (The "What" of Learning)

Representation focuses on presenting information, concepts, and relationships in diverse formats to accommodate different perceptual and cognitive processing needs.

  • Concrete-Representational-Abstract (CRA) Instructional Sequence: Presenting mathematical concepts across multiple interconnected modalities:
    • Concrete: Physical manipulatives such as relational rods, algebra tiles, base-ten blocks, fraction strips, and geoboards.
    • Representational (Visual): Diagrams, bar models (Singapore model drawing), open number lines, area models, grids, and interactive digital applets (e.g., Desmos, GeoGebra, Polypad).
    • Abstract: Mathematical symbols, variables, equations, and formal algebraic notation.
  • Clarifying Vocabulary and Mathematical Symbols: Explicitly pre-teaching key vocabulary, decoding polysemous terms, maintaining visual word walls, and linking mathematical notation directly to visual representations.

3. Multiple Means of Action and Expression (The "How" of Learning)

Action and Expression focus on offering students flexible ways to demonstrate their mathematical understanding, navigate learning activities, and express their reasoning.

  • Flexible Communication Channels: Allowing students to express their mathematical thinking through written solutions, oral math interviews/conferences, digital screencast explanations (e.g., explaining a solution while recording a tablet screen), building and presenting physical models, or creating video tutorials.
  • Integrating Assistive Technology and Tools: Providing access to virtual manipulatives, speech-to-text software, text-to-speech readers, graphers, and digital calculators so that physical or mechanical barriers do not impede a student's ability to demonstrate high-level mathematical reasoning.

Differentiated Instruction (DI)

While UDL is proactive and applies to the design of the learning environment and curriculum for the whole class, Differentiated Instruction (DI) is responsive. DI involves adapting instruction, learning activities, and assessment to address specific students' ongoing readiness levels, interests, and learning profiles as observed during diagnostic and formative assessment.

Educators differentiate instruction across four key classroom elements:

ElementDescriptionMathematics Classroom Implementation Examples
ContentWhat the student needs to learn or how the student accesses the essential concepts.Tiered task cards with varying numerical complexity; providing guided concept maps or structured reference sheets; adjusting contextual themes to align with student interests while keeping the core mathematical expectation constant.
ProcessActivities and strategies through which students make sense of and master mathematical concepts.Flexible small-group guided math instruction; parallel tasks (two distinct tasks addressing the same overarching big idea at different levels of complexity); choice boards; tiered learning stations.
ProductHow students demonstrate their knowledge, understanding, and mathematical skills.Allowing students to choose between a written mathematical investigation, a physical scale-model construction, an interactive digital slideshow, or an oral math conference to demonstrate mastery of a geometry unit.
EnvironmentThe physical, social, and emotional setup of the mathematics classroom.Flexible seating configurations; quiet individual reflection zones; standing collaborative whiteboard spaces (such as Peter Liljedahl's Building Thinking Classrooms framework); easy-access manipulative stations.

Accommodations vs. Modifications in Ontario Education Policy

On the Ontario Mathematics Proficiency Test (MPT), candidate teachers are tested on their precise understanding of special education terminology and legal frameworks governed by the Ontario Ministry of Education and Individual Education Plans (IEPs).

Accommodations

Accommodations refer to the specialized teaching strategies, human supports, environmental adaptations, or individualized equipment required to enable a student to learn and demonstrate learning.

  • Core Rule: Accommodations do NOT alter the grade-level curriculum expectations. The student is expected to learn, practice, and be evaluated on the exact same grade-level expectations as their peers.
  • Three Categories of Accommodations:
    • Instructional Accommodations: Visual graphic organizers, concrete manipulatives, small-group instruction, peer helpers, highlighted text, color-coded steps.
    • Environmental Accommodations: Preferential seating near the teacher, quiet individual workspace, reduced visual or auditory distractions, alternative lighting.
    • Assessment Accommodations: Verbatim reading of non-mathematical text in word problems, extra processing time, oral response formats, scribing, speech-to-text software, use of non-graphing calculators for non-computational tasks.

Modifications

Modifications refer to changes made to the grade-level curriculum expectations for a subject to meet a student's specific learning needs set out in their IEP.

  • Core Rule: Modifications DO alter the grade-level curriculum expectations (either by raising, lowering, or substituting expectations from a different grade level, or significantly reducing the number and complexity of learning expectations evaluated).
  • Examples of Modifications:
    • Evaluating a Grade 7 student on Grade 4 multiplication and division curriculum expectations.
    • Significantly reducing the scope of Grade 9 algebra expectations to focus exclusively on single-step additive equations.
  • Report Card Policy: When a student receives modifications in mathematics, the "MOD" checkbox must be marked on the Ontario Provincial Report Card, and the report card comments must explicitly state that evaluation is based on modified expectations outlined in the student's IEP.

Alternative Learning Expectations and Alternative Programs

The MPT blueprint names the Growing Success section "Students with Special Education Needs: Modifications, Accommodations, and Alternative Programs" — a third category that candidates routinely forget.

Alternative learning expectations are expectations developed to help a student acquire knowledge and skills that are not represented in the Ontario curriculum expectations at all. Because they lie outside any provincial subject or course, they are considered to constitute alternative programs (elementary) or alternative courses (secondary). Growing Success gives these examples:

  • speech remediation
  • social skills
  • orientation and mobility training
  • personal care programs

Key rules:

  • Alternative expectations are documented in the student's IEP and must be measurable, specifying what the student should be able to demonstrate independently given appropriate accommodations.
  • For some students an alternative program is provided in addition to subjects based on regular or modified curriculum expectations; for a small percentage, the entire program may consist of alternative learning expectations.
  • In most cases it is neither required nor advisable to assign letter grades or percentage marks on the report card for achievement of alternative learning expectations.

The Three Categories at a Glance

CategoryAre the expectations from the Ontario curriculum?Grade level of the expectationsTypical reporting
Accommodations onlyYesThe student's own gradeRegular grade or level; no MOD box
ModificationsYes, but changedA different grade level, or reduced in number and complexityGrade or level based on the modified expectations, with the MOD box checked and an explanatory comment
Alternative programsNo — not derived from the curriculum at allNot applicableDocumented and reported through the IEP; letter grades or percentage marks are usually neither required nor advisable

Summary Comparison Table

Operational FeatureAccommodationsModifications
Curriculum ExpectationsUnchanged (Same grade-level standards)Altered (Different grade level or altered scope)
Learning GoalsIdentical to grade-level peersIndividualized goals from the IEP
Provincial Report Card"MOD" box Unchecked"MOD" box Checked
Instructional ExamplesExtra time, speech-to-text, formula sheet, manipulativesEvaluated on Grade 3 math expectations in a Grade 6 room

Classroom Application Scenario & Walkthrough

Classroom Scenario: Ms. Kowalski is planning a Grade 7 lesson on solving two-step linear equations of the form $2x + 3 = 11$. Her class includes diverse learners: three students with IEPs requiring instructional accommodations (extra time, graphic organizers), one student with modified math expectations (working at a Grade 4 level on single-step addition equations), and two Multilingual Language Learners.

Step-by-Step Inclusive Lesson Execution:

  1. Proactive UDL Setup (Representation & Engagement):
    • Ms. Kowalski introduces the concept of equation balancing using a physical balance scale and a digital algebra tile applet (Concrete & Representational representation).
    • She launches with a Low-Floor, High-Ceiling problem: "A mystery box plus 3 unit blocks balances 11 unit blocks. How many blocks are inside the mystery box? How do you know?"
  2. Differentiated Instruction (Process & Content):
    • Tier 1 (Guided Group): Students use physical algebra tiles on balance mats to solve $2x + 3 = 11$ step-by-step.
    • Tier 2 (Parallel Extension Task): Students solve multi-step equations involving fractional coefficients or negative terms ($-\frac{1}{2}x - 4 = 6$) and create their own word problem scenarios.
    • Modified Student: The student works on single-step addition equations ($x + 3 = 11$) using concrete counters, directly aligned with their Grade 4 IEP goals.
  3. Applying Accommodations:
    • IEP accommodation students receive a laminated step-by-step visual checklist card outlining inverse operations ("Undo addition/subtraction first, then undo multiplication/division") and speech-to-text software for written explanations.
  4. Assessment & Documentation:
    • Ms. Kowalski assesses all students against their appropriate standards. The student with modifications is assessed on Grade 4 goals, and their report card will have the "MOD" box checked.
Test Your Knowledge

Under Ontario Ministry of Education policy and Individual Education Plan (IEP) guidelines, which statement correctly distinguishes Accommodations from Modifications in mathematics?

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D
Test Your Knowledge

A teacher introduces a unit on fraction multiplication by using concrete paper-folding activities, visual area model diagrams, digital fraction applets, and symbolic equations. Which Universal Design for Learning (UDL) principle is primary in this instructional choice?

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B
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D
Test Your Knowledge

During a geometry unit, a teacher offers students a choice between completing a written proof, building a physical 3D model with an explanatory recording, or creating an interactive digital presentation to demonstrate their understanding of geometric properties. This is an example of differentiating instruction by which element?

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B
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D