Strengthen math skills with this rounding and estimation worksheet set! Perfect for grades 3–5, these 20 engaging worksheets help students practice adding and subtracting three-digit and four-digit numbers while rounding to the nearest ten. Designed with kid-friendly layouts, this print-and-go math resource makes it easy for students to build confidence in estimating sums and differences. Fully aligned with Common Core Standards (CCSS), this pack ensures structured practice for the classroom or at home.

What’s Included

• 20 pages of math worksheets with a variety of rounding problems (three-digit + three-digit, four-digit + three-digit)
• Clear instructions for rounding numbers to the nearest ten before adding or subtracting
• Fun, kid-friendly designs to keep students engaged
• Printable worksheets for quick and easy classroom use

Perfect For

• Daily classroom activities and math centers
• Homework assignments to reinforce rounding and estimation skills
• Test prep and review before assessments
• Extra enrichment practice for early finishers

How to Use

1. Print the worksheets and introduce rounding strategies with your class.
2. Guide students to round each number to the nearest ten before solving addition or subtraction problems.
3. Use worksheets for classroom activities, homework, or test prep to build fluency in estimation and problem-solving.

This resource is a must-have for teachers who want structured, effective, and engaging practice with rounding and estimating sums and differences. With these print-and-go worksheets, your students in grades 3–5 will gain confidence, improve number sense, and be better prepared for math assessments.