# Contents

1. Section A: Equal Groups of Fractions
1. Warm-up: How Many Do You See: Oranges
2. 1.1: Crackers, Kiwis, and More
3. 1.2: What Could It Mean?
1. Warm-up: Number Talk: Three, Six, Nine, Twelve
2. 2.1: Card Sort: Expressions and Diagrams
3. 2.2: Different Representations
1. 3.1: Describe the Pattern
2. 3.2: What's Missing?
1. Warm-up: Notice and Wonder: Thirds
2. 4.1: Jars of Jam
3. 4.2: How Do We Multiply?
1. Warm-up: How Many Do You See?
2. 5.1: Complete the Equations
3. 5.2: Fractions and Matching Expressions
1. Warm-up: True or False: Two and Three Factors
3. 6.2: How Much Milk Was Used?
4. Section A Summary
5. Section A Practice Problems
2. Section B: Addition and Subtraction of Fractions
1. 7.1: Barley Soup
2. 7.2: Sums in Fifths and Thirds
1. Warm-up: Notice and Wonder: A Fraction on a Number Line
2. 8.1: Sum of Jumps
3. 8.2: What is the Sum?
4. 8.3: Make Two Jumps
1. Warm-up: True or False: Sums of Tenths
3. 9.2: What’s the Difference?
4. 9.3: Make a Jump, Subtraction Edition
1. Warm-up: Number Talk: Groups of Twelfths
2. 10.1: What’s Left?
3. 10.2: Card Sort: Twelfths
1. Warm-up: Which One Doesn’t Belong: Fractional Values
2. 11.1: Friendship Bracelets
3. 11.2: Multiple Ways to Subtract
1. Warm-up: Number Talk: Subtract Some Eighths
2. 12.1: Make It True
3. 12.2: To Decompose or Not to Decompose
1. Warm-up: Notice and Wonder: Which Ruler?
2. 13.1: Measure to the Nearest \frac59{4} and \frac59{8} Inch
3. 13.2: Colored-pencil Measurements
4. 13.3: Noah's Colored Pencils
1. Warm-up: Notice and Wonder: Shoe Sizes
2. 14.1: Shoe Lengths
3. 14.2: Larger Shoes, Anyone?
4. Section B Summary
5. Section B Practice Problems
3. Section C: Addition of Tenths and Hundredths
1. Warm-up: Which One Doesn't Belong: Halves, Fourths, Sixths, and Eights
2. 15.1: All the Way to the Top
3. 15.2: Stacks of Blocks
1. Warm-up: Notice and Wonder: Shaded Rectangles and Squares
2. 16.1: Tenths and Hundredths
3. 16.2: Walk, Stop, and Sip
1. Warm-up: Which One Doesn’t Belong: Tenths and Hundredths
2. 17.1: Card Sort: Less Than, Equal to, or Greater Than 1?
3. 17.2: What’s Missing?
4. 17.3: Fraction Action: Tenths, Hundredths
1. Warm-up: Number Talk: A Bunch of Numbers
2. 18.1: Stack Centavos and Pesos
3. 18.2: More Than Two Fractions
4. Section C Summary
1. Warm-up: Notice and Wonder: Sticky Notes
2. 19.1: Sticky-note Designs
3. 19.2: Hiking Trails
4. 19.3: Find a Match
1. Warm-up: Which One Doesn’t Belong: Sticky Notes
2. 20.1: Estimation Exploration: Sticky Notes