Pengi Math (Grade 4) — Lessons, Skills & Practice | Pengi
Pengi Math (Grade 4) is a comprehensive fourth-grade mathematics textbook designed to build strong numeracy foundations across core elementary math topics. The curriculum covers place value, estimation, and multi-step problem solving alongside in-depth units on multiplication and division strategies, factors, multiples, and patterns. Students also develop a solid understanding of fractions and fraction operations, explore the connections between fractions and decimals, and apply measurement and data skills to real-world math situations.
Pengi Math (Grade 4) covers 9 chapters and 44 lessons on Pengi.
Pengi Math (Grade 4) textbook table of contents
Chapter 1: Place Value Fundamentals and Estimation
Lesson 1: The Base-Ten System's Ten-Times RelationshipLearnPractice
Lesson 2: Reading and Writing Large NumbersLearnPractice
Lesson 3: Representing Multi-Digit Numbers in Different FormsLearnPractice
Lesson 4: Comparing Multi-Digit Numbers Place by PlaceLearnPractice
Lesson 5: Comparing and Ordering Numbers in Various FormsLearnPractice
Lesson 6: Rounding Multi-Digit Numbers to Any Place ValueLearnPractice
Lesson 7: Estimation for Sums, Differences, and ReasonablenessLearnPractice
Chapter 2: Algorithms, Fluency, and Multi-Step Problem Solving
Lesson 1: Standard Addition Algorithm and RegroupingLearnPractice
Lesson 2: Standard Subtraction Algorithm and DecompositionLearnPractice
Lesson 3: Subtraction Across Zeros and VerificationLearnPractice
Lesson 4: Modeling Addition, Subtraction, and Comparison with Tape DiagramsLearnPractice
Lesson 5: Multi-Step Problem Solving and Assessing ReasonablenessLearnPractice
Chapter 3: Understanding Multiplication and Division
Lesson 1: Understanding Multiplication and Division as Equal GroupsLearnPractice