Unit 1: Number Concepts, Operations, and Graphing

• Lesson 1.7: Social Studies Connection
• Lesson 3.8: Music Connection
• Lesson 4.6: Science Connection
• Unit 1: Social Studies Connection

Unit 2: Addition and Subtraction Facts Through 10

• Lesson 5.5: Science Connection
• Lesson 6.7: Science Connection
• Unit 2: Science Connection

Unit 3: Geometry and Fractions

• Lesson 7.7: Social Studies Connection
• Lesson 8.8: Science Connection
• Lesson 9.6: Art Connection
• Unit 3: Social Studies Connection

Unit 4: Numbers Through 100

• Lesson 11.3: Science Connection
• Lesson 11.6: Social Studies Connection
• Lesson 12.5: Music Connection
• Unit 4: Science Connection

Unit 5: Time and Money

• Lesson 13.9: Social Studies Connection
• Unit 5: Science Connection

Unit 6: Addition and Subtraction Facts Through 12

• Lesson 15.4: Science Connection
• Lesson 15.8: Social Studies Connection
• Lesson 16.3: Science Connection
• Unit 6: Science Connection

Unit 7: Measurement

• Lesson 17.8: Social Studies Connection
• Lesson 18.5: Social Studies Connection
• Unit 7: Science Connection

Unit 8: Two-Digit Addition and Subtraction

• Lesson 20.7: Science Connection
• Lesson 21.3: Science Connection
• Lesson 21.6: Art Connection
• Lesson 22.4: Social Studies Connection
• Lesson 22.7: Science Connection
• Unit 8: Social Studies Connection