Make addition engaging and meaningful with this Double Digit Addition with 3 Numbers Worksheets Bundle!

This comprehensive resource helps students master adding three 2-digit numbers using multiple strategies that build deep mathematical understanding—not just memorization.

Students will practice:

• Standard algorithm (vertical addition)
• Number bonds (tens and ones decomposition)
• Make-a-ten strategy
• Missing number equations
• Matching sums
• Real-life word problems
• Challenge puzzles (critical thinking)

✨ Why teachers love this resource:
This isn’t just a worksheet pack—it’s a complete strategy-based math system that develops number sense, problem-solving skills, and flexible thinking.

📘 Perfect for:

• Math centers
• Independent practice
• Homework
• Intervention & RTI
• Test prep & review

📊 Skills covered:

• Addition within 100–200
• Place value understanding
• Mental math strategies
• Multi-step problem solving

💡 Designed for Grade 1–2 students who are transitioning from basic addition to more complex problem-solving.

Common Core State Standards (CCSS):

1.NBT.C.4
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10.

2.NBT.B.5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

2.NBT.B.6
Add up to four two-digit numbers using strategies based on place value and properties of operations.

2.OA.A.1
Use addition within 100 to solve one- and two-step word problems involving situations of adding.

Thank you for choosing Puppy Buddy 🐾

I hope this resource brings happy learning moments to your classroom!

If you enjoy it, please consider leaving a review—it truly helps my small teacher shop grow 💛

double digit addition, adding 3 numbers, 2 digit addition worksheets, addition strategies, number bonds, make a ten strategy, missing number math, addition word problems, math worksheets grade 2, math centers, printable worksheets, no prep math, addition within 100, addition within 200, elementary math