Eureka Math Grade 3, published by Great Minds, is a rigorous third-grade mathematics curriculum that builds a deep conceptual foundation across core arithmetic and measurement topics. The program guides students through multiplication and division with all single-digit factors, multi-digit addition and subtraction using the standard algorithm, fractions and equivalent fractions on the number line, and geometry concepts including area, perimeter, and attributes of two-dimensional figures. Students also develop skills in metric measurement, data analysis, rounding, and real-world problem solving, following a carefully sequenced progression aligned to the Common Core State Standards.
Eureka Math, Grade 3 covers 35 chapters and 152 lessons on Pengi.
Eureka Math, Grade 3 textbook table of contents
Chapter 1: Multiplication and the Meaning of the Factors
Lesson 1: Understand equal groups of as multiplication.LearnPractice
Lesson 2: Relate multiplication to the array model.LearnPractice
Lesson 3: Interpret the meaning of factors—the size of the group or the number of groups.LearnPractice
Chapter 2: Division as an Unknown Factor Problem
Lesson 1: Understand the meaning of the unknown as the size of the group in division.LearnPractice
Lesson 2: Understand the meaning of the unknown as the number of groups in division.LearnPractice
Lesson 3: Interpret the unknown in division using the array model.LearnPractice
Chapter 3: Multiplication Using Units of 2 and 3
Lesson 1: Demonstrate the commutativity of multiplication, and practice related facts by skip-counting objects in array models.LearnPractice
Lesson 2: Demonstrate the commutativity of multiplication, and practice related facts by skip-counting objects in array models.LearnPractice
Lesson 3: Find related multiplication facts by adding and subtracting equal groups in array models.LearnPractice
Lesson 4: Model the distributive property with arrays to decompose units as a strategy to multiply.LearnPractice
Chapter 4: Division Using Units of 2 and 3
Lesson 1: Model division as the unknown factor in multiplication using arrays and tape diagrams.LearnPractice
Lesson 2: Interpret the quotient as the number of groups or the number of objects in each group using units of 2.LearnPractice
Lesson 3: Interpret the quotient as the number of groups or the number of objects in each group using units of 3.LearnPractice
Chapter 5: Multiplication and Division Using Units of 4
Lesson 1: Skip-count objects in models to build fluency with multiplication facts using units of 4.LearnPractice
Lesson 2: Relate arrays to tape diagrams to model the commutative property of multiplication.LearnPractice
Lesson 3: Use the distributive property as a strategy to find related multiplication facts.LearnPractice
Lesson 4: Model the relationship between multiplication and division.LearnPractice
Chapter 6: Distributive Property and Problem Solving Using Units of 2–5 and 10
Lesson 1: Apply the distributive property to decompose units.LearnPractice
Lesson 2: Apply the distributive property to decompose units.LearnPractice
Lesson 3: Solve two-step word problems involving multiplication and division, and assess the reasonableness of answers.LearnPractice
Lesson 4: Solve two-step word problems involving all four operations, and assess the reasonableness of answers.LearnPractice
Chapter 7: Time Measurement and Problem Solving
Lesson 1: Explore time as a continuous measurement using a stopwatch.LearnPractice
Lesson 2: Relate skip-counting by fives on the clock and telling time to a continuous measurement model, the number line.LearnPractice
Lesson 3: Count by fives and ones on the number line as a strategy to tell time to the nearest minute on the clock.LearnPractice
Lesson 4: Solve word problems involving time intervals within 1 hour by counting backward and forward using the number line and clock.LearnPractice
Lesson 5: Solve word problems involving time intervals within 1 hour by adding and subtracting on the number line.LearnPractice
Chapter 8: Measuring Weight and Liquid Volume in Metric Units
Lesson 1: Build and decompose a kilogram to reason about the size and weight of 1 kilogram, 100 grams, 10 grams, and 1 gram.LearnPractice
Lesson 2: Develop estimation strategies by reasoning about the weight in kilograms of a series of familiar objects to establish mental benchmark measures.LearnPractice
Lesson 3: Solve one-step word problems involving metric weights within 100 and estimate to reason about solutions.LearnPractice
Lesson 4: Decompose a liter to reason about the size of 1 liter, 100 milliliters, 10 milliliters, and 1 milliliter.LearnPractice
Lesson 5: Estimate and measure liquid volume in liters and milliliters using the vertical number line.LearnPractice
Lesson 6: Solve mixed word problems involving all four operations with grams, kilograms, liters, and milliliters given in the same units.LearnPractice
Chapter 9: Rounding to the Nearest Ten and Hundred
Lesson 1: Round two-digit measurements to the nearest ten on the vertical number line.LearnPractice
Lesson 2: Round two- and three-digit numbers to the nearest ten on the vertical number line.LearnPractice
Lesson 3: Round to the nearest hundred on the vertical number line.LearnPractice
Chapter 10: Two- and Three-Digit Measurement Addition Using the Standard Algorithm
Lesson 1: Add measurements using the standard algorithm to compose larger units once.LearnPractice
Lesson 2: Add measurements using the standard algorithm to compose larger units twice.LearnPractice
Lesson 3: Estimate sums by rounding and apply to solve measurement word problems.LearnPractice
Chapter 11: Two- and Three-Digit Measurement Subtraction Using the Standard Algorithm
Lesson 1: Decompose once to subtract measurements including three-digit minuends with zeros in the tens or ones place.LearnPractice
Lesson 2: Decompose twice to subtract measurements including three-digit minuends with zeros in the tens and ones places.LearnPractice
Lesson 3: Estimate differences by rounding and apply to solve measurement word problems.LearnPractice
Lesson 4: Estimate sums and differences of measurements by rounding, and then solve mixed word problems.LearnPractice
Chapter 12: The Properties of Multiplication and Division
Lesson 1: Study commutativity to find known facts of 6, 7, 8, and 9.LearnPractice
Lesson 2: Apply the distributive and commutative properties to relate multiplication facts 5 × n + n to 6 × n and n × 6 where n is the size of the unit.LearnPractice
Lesson 3: Multiply and divide with familiar facts using a letter to represent the unknown.LearnPractice
Chapter 13: Multiplication and Division Using Units of 6 and 7
Lesson 1: Count by units of 6 to multiply and divide using number bonds to decompose.LearnPractice
Lesson 2: Count by units of 7 to multiply and divide using number bonds to decompose.LearnPractice
Lesson 3: Use the distributive property as a strategy to multiply and divide using units of 6 and 7.LearnPractice
Lesson 4: Interpret the unknown in multiplication and division to model and solve problems using units of 6 and 7.LearnPractice
Chapter 14: Multiplication and Division Using Units up to 8
Lesson 1: Understand the function of parentheses and apply to solving problems.LearnPractice
Lesson 2: Model the associative property as a strategy to multiply.LearnPractice
Lesson 3: Use the distributive property as a strategy to multiply and divide.LearnPractice
Lesson 4: Interpret the unknown in multiplication and division to model and solve problems.LearnPractice
Chapter 15: Multiplication and Division Using Units of 9
Lesson 1: Apply the distributive property and the fact 9 = 10 - 1 as a strategy to multiply.LearnPractice
Lesson 2: Identify and use arithmetic patterns to multiply.LearnPractice
Lesson 3: Identify and use arithmetic patterns to multiply.LearnPractice
Lesson 4: Interpret the unknown in multiplication and division to model and solve problems.LearnPractice
Chapter 16: Analysis of Patterns and Problem Solving Including Units of 0 and 1
Lesson 1: Reason about and explain arithmetic patterns using units of 0 and 1 as they relate to multiplication and division.LearnPractice
Lesson 2: Identify patterns in multiplication and division facts using the multiplication table.LearnPractice
Lesson 3: Solve two-step word problems involving all four operations and assess the reasonableness of solutions.LearnPractice
Chapter 17: Multiplication of Single-Digit Factors and Multiples of 10
Lesson 1: Multiply by multiples of 10 using the place value chart.LearnPractice
Lesson 2: Use place value strategies and the associative property n × (m × 10) = (n × m) × 10 (where n and m are less than 10) to multiply by multiples of 10.LearnPractice
Lesson 3: Solve two-step word problems involving multiplying single-digit factors and multiples of 10.LearnPractice
Chapter 18: Foundations for Understanding Area
Lesson 1: Understand area as an attribute of plane figures.LearnPractice
Lesson 2: Decompose and recompose shapes to compare areas.LearnPractice
Lesson 3: Model tiling with centimeter and inch unit squares as a strategy to measure area.LearnPractice
Lesson 4: Relate side lengths with the number of tiles on a side.LearnPractice
Chapter 19: Concepts of Area Measurement
Lesson 1: Form rectangles by tiling with unit squares to make arrays.LearnPractice
Lesson 2: Draw rows and columns to determine the area of a rectangle given an incomplete array.LearnPractice
Lesson 3: Interpret area models to form rectangular arrays.LearnPractice
Lesson 4: Find the area of a rectangle through multiplication of the side lengths.LearnPractice
Chapter 20: Arithmetic Properties Using Area Models
Lesson 1: Analyze different rectangles and reason about their area.LearnPractice
Lesson 2: Apply the distributive property as a strategy to find the total area of a large rectangle by adding two products.LearnPractice
Lesson 3: Demonstrate the possible whole number side lengths of rectangles with areas of 24, 36, 48, or 72 square units using the associative property.LearnPractice
Chapter 21: Applications of Area Using Side Lengths of Figures
Lesson 1: Solve word problems involving area.LearnPractice
Lesson 2: Find areas by decomposing into rectangles or completing composite figures to form rectangles.LearnPractice
Lesson 3: Find areas by decomposing into rectangles or completing composite figures to form rectangles.LearnPractice
Lesson 4: Apply knowledge of area to determine areas of rooms in a given floor plan.LearnPractice
Lesson 5: Apply knowledge of area to determine areas of rooms in a given floor plan.LearnPractice
Chapter 22: Partitioning a Whole into Equal Parts
Lesson 1: Specify and partition a whole into equal parts, identifying and counting unit fractions using concrete models.LearnPractice
Lesson 2: Specify and partition a whole into equal parts, identifying and counting unit fractions by folding fraction strips.LearnPractice
Lesson 3: Specify and partition a whole into equal parts, identifying and counting unit fractions by drawing pictorial area models.LearnPractice
Lesson 4: Represent and identify fractional parts of different wholes.LearnPractice
Unit Fractions and Their Relation to the Whole
Lesson 1: Partition a whole into equal parts and define the equal parts to identify the unit fraction numerically.LearnPractice
Lesson 2: Build non-unit fractions less than one whole from unit fractions.LearnPractice
Lesson 3: Identify and represent shaded and non-shaded parts of one whole as fractions.LearnPractice
Lesson 4: Represent parts of one whole as fractions with number bonds.LearnPractice
Lesson 5: Build and write fractions greater than one whole using unit fractions.LearnPractice
Chapter 24: Comparing Unit Fractions and Specifying the Whole
Lesson 1: Compare unit fractions by reasoning about their size using fraction strips.LearnPractice
Lesson 2: Compare unit fractions with different-sized models representing the whole.LearnPractice
Lesson 3: Specify the corresponding whole when presented with one equal part.LearnPractice
Lesson 4: Identify a shaded fractional part in different ways depending on the designation of the whole.LearnPractice
Chapter 25: Fractions on the Number Line
Lesson 1: Place fractions on a number line with endpoints 0 and 1.LearnPractice
Lesson 2: Place any fraction on a number line with endpoints 0 and 1.LearnPractice
Lesson 3: Place whole number fractions and fractions between whole numbers on the number line.LearnPractice
Lesson 4: Practice placing various fractions on the number line.LearnPractice
Lesson 5: Compare fractions and whole numbers on the number line by reasoning about their distance from 0.LearnPractice
Lesson 6: Understand distance and position on the number line as strategies for comparing fractions.LearnPractice
Chapter 26: Equivalent Fractions
Lesson 1: Recognize and show that equivalent fractions have the same size, though not necessarily the same shape.LearnPractice
Lesson 2: Recognize and show that equivalent fractions refer to the same point on the number line.LearnPractice
Lesson 3: Generate simple equivalent fractions by using visual fraction models and the number line.LearnPractice
Lesson 4: Generate simple equivalent fractions by using visual fraction models and the number line.LearnPractice
Lesson 5: Express whole numbers as fractions and recognize equivalence with different units.LearnPractice
Lesson 6: Express whole number fractions on the number line when the unit interval is 1.LearnPractice
Lesson 7: Decompose whole number fractions greater than 1 using whole number equivalence with various models.LearnPractice
Lesson 8: Explain equivalence by manipulating units and reasoning about their size.LearnPractice
Chapter 27: Comparison, Order, and Size of Fractions
Lesson 1: Compare fractions with the same numerator pictorially.LearnPractice
Lesson 2: Compare fractions with the same numerator using <, >, or =, and use a model to reason about their size.LearnPractice
Lesson 3: Partition various wholes precisely into equal parts using a number line method.LearnPractice
Lesson 4: Solve one- and two-step problems involving graphs.LearnPractice
Chapter 29: Generate and Analyze Measurement Data
Lesson 1: Create ruler with 1-inch, ½-inch, and ¼-inch intervals, and generate measurement data.LearnPractice
Lesson 2: Interpret measurement data from various line plots.LearnPractice
Lesson 3: Represent measurement data with line plots.LearnPractice
Lesson 4: Represent measurement data with line plots.LearnPractice
Lesson 5: Analyze data to problem solve.LearnPractice
Chapter 30: Solving Word Problems
Lesson 1: Solve word problems in varied contexts using a letter to represent the unknown.LearnPractice
Lesson 2: Solve word problems in varied contexts using a letter to represent the unknown.LearnPractice
Lesson 3: Share and critique peer solution strategies to varied word problems.LearnPractice
Chapter 31: Attributes of Two-Dimensional Figures
Lesson 1: Compare and classify quadrilaterals.LearnPractice
Lesson 2: Compare and classify other polygons.LearnPractice
Lesson 3: Draw polygons with specified attributes to solve problems.LearnPractice
Lesson 4: Reason about composing and decomposing polygons using tetrominoes.LearnPractice
Lesson 5: Create a tangram puzzle and observe relationships among the shapes.LearnPractice
Lesson 6: Reason about composing and decomposing polygons using tangrams.LearnPractice
Chapter 32: Problem Solving with Perimeter
Lesson 1: Decompose quadrilaterals to understand perimeter as the boundary of a shape.LearnPractice
Lesson 2: Tessellate to understand perimeter as the boundary of a shape.LearnPractice
Lesson 3: Measure side lengths in whole number units to determine the perimeter of polygons.LearnPractice
Lesson 4: Explore perimeter as an attribute of plane figures and solve problems.LearnPractice
Lesson 5: Determine the perimeter of regular polygons and rectangles when whole number measurements are unknown.LearnPractice
Lesson 6: Solve word problems to determine perimeter with given side lengths.LearnPractice
Lesson 7: Use string to measure the perimeter of various circles to the nearest quarter inch.LearnPractice
Lesson 8: Use all four operations to solve problems involving perimeter and unknown measurements.LearnPractice
Chapter 33: Recording Perimeter and Area Data on Line Plots
Lesson 1: Construct rectangles from a given number of unit squares and determine the perimeters.LearnPractice
Lesson 2: Use a line plot to record the number of rectangles constructed from a given number of unit squares.LearnPractice
Lesson 3: Construct rectangles with a given perimeter using unit squares and determine their areas.LearnPractice
Lesson 4: Construct rectangles with a given perimeter using unit squares and determine their areas.LearnPractice
Lesson 5: Use a line plot to record the number of rectangles constructed in Lessons 20 and 21.LearnPractice
Chapter 34: Problem Solving with Perimeter and Area
Lesson 1: Solve a variety of word problems with perimeter.LearnPractice
Lesson 2: Use rectangles to draw a robot with specified perimeter measurements, and reason about the different areas that may be produced.LearnPractice
Lesson 3: Use rectangles to draw a robot with specified perimeter measurements, and reason about the different areas that may be produced.LearnPractice
Lesson 4: Use rectangles to draw a robot with specified perimeter measurements, and reason about the different areas that may be produced.LearnPractice
Lesson 5: Use rectangles to draw a robot with specified perimeter measurements, and reason about the different areas that may be produced.LearnPractice
Lesson 6: Solve a variety of word problems involving area and perimeter using all four operations.LearnPractice
Lesson 7: Solve a variety of word problems involving area and perimeter using all four operations.LearnPractice
Lesson 8: Share and critique peer strategies for problem solving.LearnPractice
Chapter 35: Year in Review
Lesson 1: Explore and create unconventional representations of one-half.LearnPractice
Lesson 2: Explore and create unconventional representations of one-half.LearnPractice
Lesson 3: Solidify fluency with Grade 3 skills.LearnPractice
Lesson 4: Create resource booklets to support fluency with Grade 3 skills.LearnPractice