Section A: Odd and Even
Lesson 1: Can You Share?
Warm-up: Notice and Wonder: Sharing is Caring
1.1: My Fair Share
1.2: Share the Marbles
Lesson 2: Partners Make Pairs
Warm-up: Which One Doesn’t Belong: Laundry Day
2.1: Pair Up
2.2: Are You Feeling Left Out?
Lesson 3: Is it Odd or Even?
3.1: Color by Number
3.2: Card Sort: Even or Odd
Lesson 4: Decompose Even and Odd Numbers
Warm-up: Number Talk: Equal Addends
4.1: Share in Different Ways
4.2: Represent Numbers with Two Addends
Section A Summary
Lesson 5: Patterns with Even and Odd Numbers
Warm-up: How Many Do You See: Even or Odd
5.1: Even and Odd Round-about
5.2: Presto Chango
Lesson 6: Center Day 1
Warm-up: Number Talk: Two More
6.2: Centers: Choice Time
Section A Practice Problems
Section B: Rectangular Arrays
Lesson 7: What is an Array?
Warm-up: Which One Doesn’t Belong: Counter Collections
7.1: What is an Array?
7.2: Rows of Counters
Lesson 8: Count Columns and Objects in Columns
Warm-up: Estimation Exploration: Rearrange the Dots
8.1: Count by Columns
8.2: Guess My Array
Lesson 9: A Sum of Equal Addends
Warm-up: Estimation Exploration: How Many Waffles?
9.1: Sums of Rows and Sums of Columns
9.2: Card Sort: Arrays and Expressions
9.3: Add It All Up
Lesson 10: Write Expressions and Equations to Represent Arrays
Warm-up: True or False: Expressions that Represent Arrays
10.1: Build Arrays and Write Equations
10.2: Arrange Veggies to Make Arrays
Lesson 11: Arrays and Rectangles
Warm-up: Which One Doesn’t Belong: All Kinds of Arrays
11.1: Use Tiles to Make Arrays
11.2: Make Equal-size Squares
Lesson 12: Partition Rectangles into Squares
Warm-up: Estimation Exploration: Fill it Up
12.1: How Many Squares?
12.2: Partition Rectangles
Section B Summary
Lesson 13: Center Day 2
Warm-up: True or False: Two or False
13.1: Centers: Choice Time
Section B Practice Problems