Addition and Subtraction Facts within 20 Math Worksheets

Make math practice fun and festive this Valentine’s Day with these Color by Code Addition and Subtraction Worksheets! Designed for 1st and 2nd grade students, this 10-page no-prep packet helps reinforce math fact fluency while keeping students engaged in an exciting Valentine’s theme.

Each page includes adorable Valentine’s images for students to color as they solve addition and subtraction facts within 20 — perfect for morning work, math centers, early finishers, or holiday homework!

10 Graphics included:

• Heart lock and key (Addition to 10)
• Valentines bow and arrow (Addition to 15)
• Valentines gift (Addition to 18)
• Little cupid (Addition to 20)
• Jar of heart (Subtraction within 8)
• Chocolate box (Subtraction within 10)
• Valentines macaron (Subtraction within 12)
• Love ring (Subtraction within 15)
• Valentines rose (Addition & Subtraction within 10)
• Valentines balloon (Addition & Subtraction within 20)
• 10 Answer keys

Skills Covered:

• Addition within 10, 15, 20
• Subtraction within 8, 10, 12, 15
• Mixed addition & subtraction review
• Strengthens math fact fluency and number sense

Perfect for:
✔ Kindergarten, 1st, 2nd, and 3rd grade
✔ Homeschool, classrooms, and tutoring
✔ Valentine’s Day math centers

✔ Homework packets

✔ Independent seat work

✔ No prep math activities

Bring love and learning together this February with a math activity your students will adore! 💌

⭐⭐⭐Save over 30% when you purchase the Valentine's Day Activities Bundle for 1st–2nd Grade | Math, Writing, SEL & Crafts (includes 5 packs)

Looking for more Color by Code activities? Check out the resources below!

• Groundhog Fun Color by Code Addition and Subtraction Within 20
• Spring Color by Code Addition and Subtraction Within 20
• St. Patricks Day Color by Code Addition and Subtraction Within 20
• Easter Color by Code Addition and Subtraction Within 20
• Earth Day Color by Code Addition and Subtraction Within 20
• End of Year Summer Color by Code Addition and Subtraction Within 20
• Back to School Color by Code Addition and Subtraction Within 20
• Fall Color by Code Addition and Subtraction Within 20
• Halloween Color by Code Addition and Subtraction Within 20
• Thanksgiving Color by Code Addition and Subtraction Within 20
• Winter Color by Code Addition and Subtraction Within 20
• Christmas Color by Code Addition and Subtraction Within 20
• Fruit-Themed Color by Code Addition and Subtraction Within 20
• Animals-Themed Color by Code Addition and Subtraction Within 20
• Space-Themed Color by Code Addition and Subtraction Within 20

Grab additional licenses for your team at 35% off — now just $3! Great for co-teachers or friends who'd love this Valentine's Day math set too!

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Search Key Terms:

Valentine’s Day Math | Color by Code | Addition and Subtraction within 20 |

Valentine’s Day Activities | Math Fact Fluency | No Prep Printables | 1st Grade Math | 2nd Grade Math | Holiday Math Worksheets | February Math Centers | Valentine’s Day Classroom Fun | Coloring Math Pages | Math Review Activities | Early Finishers | Morning Work