⭐ Build strong number sense and fact fluency with this Addition and Subtraction Missing Numbers Bundle!

Students will find the missing number to complete each equation — helping them understand number relationships, inverse operations, and fact families within 20.

This bundle includes 10 Addition Worksheets and 10 Subtraction Worksheets, all designed with simple, engaging layouts and clear instructions.
Perfect for Grade 1–2 math centers, morning work, homework, or small group practice.

Aligned with Common Core Standards 1.OA.A.1 and 1.OA.D.8.

🎯 Objectives / Skills Covered

• Find the missing number in addition and subtraction equations
• Understand fact families and inverse relationships
• Strengthen math reasoning and problem-solving skills
• Improve fact fluency within 20

🔢 WHAT’S INCLUDED

• 10 Addition Missing Numbers Worksheets
• 10 Subtraction Missing Numbers Worksheets
• 🗝️ Answer Key Included for all pages
• No-Prep, Print-and-Go Format

💙 Why Teachers Love It

• Combines addition + subtraction practice in one bundle
• Great for centers, independent work, or homework
• No prep required — print and go!
• Builds fact fluency through fun, structured equations

✅ How to Use

• Use for morning work, spiral review, or fluency drills
• Perfect for fact family lessons or number sense practice
• Great for intervention groups or early finishers
• Send home for extra math practice

📘 Common Core Alignment

• 1.OA.A.1: Use addition and subtraction within 20 to solve word problems.
• 1.OA.D.8: Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.

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