Module 3 Lessons:

Topic A: Multiplicative Comparison Word Problems 

• Lesson 1: Investigate & use the formulas for area and perimeter of rectangles.

• Lesson 2: Solve multiplicative comparison word problems by applying the area and perimeter formulas.

• Lesson 3: Demonstrate understanding of area and perimeter formulas by solving multi-step real world problems. 

Topic B: Multiplication by 10, 100, and 1,000

• Lesson 4: Interpret and represent patterns when multiplying by 10, 100, and 1,000 in arrays and numerically.

• Lesson 5: Multiply multiples of 10, 100, and 1,000 by single digits, recognizing patterns.

• Lesson 6: Multiply two-digit multiples of 10 by two-digit multiples of 10 with the area model.

Topic C: Multiplication of up to Four Digits by Single-Digit #'s 

• Lesson 7: Use place value disks to represent two-digit by one-digit multiplication. 

• Lesson 8: Extend the use of place value disks to represent three- and four-digit by one-digit multiplication

• Lessons 9–10: Multiply three- and four-digit numbers by one-digit numbers applying the standard algorithm.

• Lesson 11: Connect the area model and the partial products method to the standard algorithm.

Topic D: Multiplication Word Problems

• Lesson 12: Solve two-step word problems, including multiplicative comparison.

• Lesson 13: Use multiplication, addition, or subtraction to solve multi-step word problems.

Topic E: Division of Tens & Ones with Successive  Remainders

• Lesson 14: Solve division word problems with remainders. 

• Lesson 15: Understand and solve division problems with a remainder using the array and area models.

• Lesson 16: Understand and solve two-digit dividend division problems with a remainder in the ones place by using place value disks. 

• Lesson 17: Represent and solve division problems requiring decomposing a remainder in the tens.

• Lesson 18: Find whole number quotients and remainders.

• Lesson 19: Explain remainders by using place value understanding and models.

• Lesson 20: Solve division problems without remainders using the area model.

• Lesson 21: Solve division problems with remainders using the area model.

Topic F: Reasoning with Divisibility 

• Lesson 22: Find factor pairs for numbers to 100, and use understanding of factors to define prime and composite.

• Lesson 23: Use division and the associative property to test for factors and observe patterns.

• Lesson 24: Determine if a whole number is a multiple of another number.

• Lesson 25: Explore properties of prime and composite numbers to 100 by using multiples. 

Topic G: Division of Thousands, Hundreds, Tens, and Ones

• Lesson 26: Divide multiples of 10, 100, and 1,000 by single-digit numbers.

• Lesson 27: Represent and solve division problems with up to a three-digit dividend numerically and with place value disks requiring decomposing a remainder in the hundreds place.

• Lesson 28: Represent and solve three-digit dividend division with divisors of 2, 3, 4, and 5 numerically.

• Lesson 29: Represent numerically four-digit dividend division with divisors of 2, 3, 4, and 5, decomposing a remainder up to three times.

• Lesson 30: Solve division problems with a zero in the dividend or with a zero in the quotient.

• Lesson 31: Interpret division word problems as either number of groups unknown or group size unknown.

• Lesson 32: Interpret and find whole number quotients and remainders to solve one-step division word problems with larger divisors of 6, 7, 8, and 9.

• Lesson 33: Explain the connection of the area model of division to the long division algorithm for three- and four-digit dividends

Topic H: Multiplication of Two-Digit by Two-Digit Numbers

• Lesson 34: Multiply two-digit multiples of 10 by two-digit numbers using a place value chart.

• Lesson 35: Multiply two-digit multiples of 10 by two-digit numbers using the area model.

• Lesson 36: Multiply two-digit by two-digit numbers using four partial products.

• Lessons 37: Transition from four partial products to the standard algorithm for two-digit by two-digit multiplication. 

• Lessons 38: Transition from four partial products to the standard algorithm for two-digit by two-digit multiplication.