Topic A: Multiplicative Comparison Word Problems 

Lesson 1:  Investigate and 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 Numbers    

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

Lesson 8:  Use place value disks to represent two-digit by one-digit multiplication. 

Lesson 9: Multiply three- and four-digit numbers by one-digit numbers applying the standard algorithm. 

Lesson 10:  No IDL. 

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 and 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 number 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:  No IDL.

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 whether 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 number 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:  No IDL .

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

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. 

Lesson 37:  RTransition from four partial products to the standard algorithm for two-digit by two-digit multiplication.   

Lesson 38:  No IDL.