











Addition 1-20 Worksheets | 50 Pages Horizontal Practice
Help your students build strong foundational math skills with this Addition 1–20 Worksheet Pack, featuring 50 pages of horizontal math practice problems. Designed for early learners, this resource supports number fluency and confidence in addition using small numbers.
Each page includes 20 horizontal addition problems where numbers added together range from 1 to 20, and the total never exceeds 40—perfect for beginners who are just mastering their number facts.
Key Features:
50 printable worksheet pages
20 problems per page (horizontal format)
Numbers added range from 1–20
Sums do not exceed 40
Answer key included for quick grading
How to Use:
✔️ Use in math centers or as independent seatwork
✔️ Great for homework, warm-ups, or quick assessments
✔️ Ideal for kindergarten and grade 1 classrooms
✔️ Supports homeschooling and distance learning
Perfect for daily practice or supplemental review, these worksheets offer a simple, no-prep solution to reinforce addition skills in a consistent format.
Help your students build strong foundational math skills with this Addition 1–20 Worksheet Pack, featuring 50 pages of horizontal math practice problems. Designed for early learners, this resource supports number fluency and confidence in addition using small numbers.
Each page includes 20 horizontal addition problems where numbers added together range from 1 to 20, and the total never exceeds 40—perfect for beginners who are just mastering their number facts.
Key Features:
50 printable worksheet pages
20 problems per page (horizontal format)
Numbers added range from 1–20
Sums do not exceed 40
Answer key included for quick grading
How to Use:
✔️ Use in math centers or as independent seatwork
✔️ Great for homework, warm-ups, or quick assessments
✔️ Ideal for kindergarten and grade 1 classrooms
✔️ Supports homeschooling and distance learning
Perfect for daily practice or supplemental review, these worksheets offer a simple, no-prep solution to reinforce addition skills in a consistent format.
Help your students build strong foundational math skills with this Addition 1–20 Worksheet Pack, featuring 50 pages of horizontal math practice problems. Designed for early learners, this resource supports number fluency and confidence in addition using small numbers.
Each page includes 20 horizontal addition problems where numbers added together range from 1 to 20, and the total never exceeds 40—perfect for beginners who are just mastering their number facts.
Key Features:
50 printable worksheet pages
20 problems per page (horizontal format)
Numbers added range from 1–20
Sums do not exceed 40
Answer key included for quick grading
How to Use:
✔️ Use in math centers or as independent seatwork
✔️ Great for homework, warm-ups, or quick assessments
✔️ Ideal for kindergarten and grade 1 classrooms
✔️ Supports homeschooling and distance learning
Perfect for daily practice or supplemental review, these worksheets offer a simple, no-prep solution to reinforce addition skills in a consistent format.
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