Grade 3 Mathematics Curriculum Summary (U.S.)

Key Math Domains & Topics (Common Core Aligned)

DomainTopics Covered
Operations & Algebraic Thinking (OA)– Fluently multiply and divide within 100
  • Understand properties of multiplication (commutative, associative, distributive)

  • Solve 1- and 2-step word problems

  • Identify arithmetic patterns (e.g., even/odd, rules in times tables) |
    | Number & Operations in Base Ten (NBT) | – Round numbers to the nearest 10 or 100

  • Add/subtract within 1,000

  • Multiply 1-digit numbers by 2-digit numbers using place value and properties |
    | Number & Operations—Fractions (NF) | – Understand fractions as numbers on a number line

  • Compare and explain equivalent fractions

  • Express whole numbers as fractions (e.g., 3/1) |
    | Measurement & Data (MD) | – Tell time to the minute

  • Measure and estimate in grams, liters, inches, feet, etc.

  • Represent data on bar graphs and picture graphs

  • Understand perimeter and area as an attribute of 2D shapes |
    | Geometry (G) | – Understand attributes of shapes

  • Classify shapes based on angles and sides

  • Partition shapes into equal parts (continued fraction application) |

PublisherCurriculumFeatures
Eureka Math (Modules 1–7)Focus on fluency with multiplication/division and conceptual understanding of area, fractions 
Illustrative MathematicsPromotes discourse-based learning and visual modeling 
Ready Mathematics (Curriculum Associates)Fluency, conceptual rigor, practice worksheets, and diagnostic assessments 
Bridges in MathematicsSpiral content with games, number corner activities, and visual-based strategies 
Go Math! / My Math (McGraw-Hill)Textbook-style curriculum with guided and independent practice 
Investigations (TERC)Still hands-on but includes more procedural strategies starting in Grade 3

TypeDescription
Formative AssessmentExit slips, quick quizzes, peer-assessed work, journal entries
Unit AssessmentsTypically 6–8 per year based on curriculum pacing
Benchmarks/Diagnosticsi-Ready, NWEA MAP, or DIBELS Math (fall, winter, spring)
State Testing (Most states)Starts in Grade 3 for math. Example tests:
  • SBAC (CA, WA, OR, CT, HI)

  • MCAS (MA)

  • FSA or FAST (FL)

  • STAAR (TX)

  • PSSA (PA)

  • ILEARN (IN) |

Testing Season:
March to May (depending on state

ToolPurpose
Multiplication ChartsDevelop fluency with times tables
Area Tiles / Grid PaperUnderstanding and building area models
Fraction Circles / BarsModel unit fractions, equivalence, addition/subtraction of fractions
Rulers, Clocks, ScalesMeasurement concepts
Base Ten BlocksMulti-digit addition/subtraction
Number Lines & ArraysModeling operations and fractions
Digital ToolsKhan Academy, Zearn, ST Math, Freckle, Prodigy, i-Ready

StateNotes
CaliforniaSmarter Balanced Assessment (SBAC); many districts use Eureka, Ready Math, or Bridges
TexasUses TEKS; slightly different focus (e.g., multiplication tables up to 12 by end of Grade 3)
FloridaB.E.S.T. Standards; heavy fluency in multiplication/division, word problems
New YorkUses EngageNY (Eureka Math) and tests via NYSTP Grade 3 Math
IllinoisCommon Core aligned; uses IAR (Illinois Assessment of Readiness)

All states in Grade 3 expect students to master multiplication and division facts, with the shift from arithmetic to understanding relationships and reasoning.

  • School runs August–May/June

  • Math is taught daily for 60–75 minutes

  • Curriculum pacing includes:

    • Warm-up/spiral review

    • Core lesson (concept building)

    • Fluency work (facts practice)

    • Problem solving/application

Advanced Concepts Introduced in Grade 3

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