Last updated

29 October 2025

1-Digit Addition Missing Numbers in Horizontal Format Worksheets – Beginner Level Math Problems

Make learning math fun and interactive with these beginner-level worksheets focused on 1-digit addition problems in a horizontal format. Each equation has a missing number, challenging students to think critically and solve for the unknown.

These worksheets help young learners to:
Master basic single-digit addition facts
Improve number recognition and logical reasoning
Strengthen early problem-solving skills
Build a solid foundation for more advanced math concepts

Perfect for Kindergarten and Grade 1 students, these worksheets are ideal for classroom practice, homework, homeschooling, or math centers. With clear formatting and engaging practice problems, children will gain confidence and fluency in addition while enjoying the process.
Worksheets are made in 8.5” x 11” Standard Letter Size. This resource is helpful in students’ assessment, Independent Studies, group activities, practice and homework. This product is available in PDF format and ready to print as well.

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A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

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ADDITION ABSTRACT METHOD Worksheets & Practice Activities BUNDLE GRADE 1–3

This comprehensive Addition Bundle is designed to help students in Grades 1–3 build strong foundational math skills. Packed with fun, interactive, and progressive worksheets, this bundle include Standard Addition (Vertical & Horizontal), Missing Numbers Addition. Following products are included in this resource bundle: 1. 1-Digit Addition Missing Numbers in Horizontal Format Worksheets – Beginner Level Math Problems 2. 2 & 3 Digits Horizontal Addition, Rewrite vertically & solve Math Worksheets Problems 3. 2 Digits Addition With & Without Regrouping Math Worksheets Problems 4. 2 Digits Addition Without Regrouping Math Worksheets Problems 5. 2 Digits Addition Without Regrouping on Grid Math Worksheets Problems 6. 2 Digits Horizontal Addition With Regrouping Math Worksheets Problems 7. 2 Digits Horizontal Addition Without Regrouping Math Worksheets Problems 8. 2-Digit Addition Missing Numbers in Horizontal Format Without Regrouping Worksheets Math Problems 9. 2-Digit Addition with 10’s (Mostly Carries) Worksheets Practice Activity 10. 2-Digit Addition with 1’s & 10’s (Mostly Carries) Worksheets Activity Practice 11. 2-Digit Addition with 1’s (Mostly Carries) Worksheets Practice Activity 12. Addition Missing Numbers in Horizontal Format (1–20) Worksheets – Beginner Level Math Problems 13. Addition Missing Numbers in Horizontal Format (1–99) Worksheets – Beginner to Intermediate Level Mat 14. Negative Numbers Addition (Single Digit & Double Digit) Worksheets – Beginner to Intermediate Level 15. Vertical and Horizontal Addition up to 2 Digits Worksheets – Beginner Level Math Problems Worksheets are made in 8.5” x 11” Standard Letter Size. This resource is helpful in students’ assessment, Independent Studies, group activities, practice and homework. This product is available in PDF format and ready to print as well.

$35.00

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ADDITION ABSTRACT METHOD Worksheets & Practice Activities BUNDLE GRADE 1–3

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