Grade 3 Math Addition & Subtraction (2 & 3 digits) Unit Plans | Alberta

Make teaching 2 and 3 digit addition and subtraction in Grade 3 simple, structured, and effective with this complete, ready-to-use math unit!

This resource includes everything you need to teach, practice, and assess addition and subtraction with and without regrouping. Perfect for whole group lessons, small group instruction, math centers, intervention, or independent practice.

Designed for busy teachers, this no-prep Grade 3 math unit saves you time while ensuring students build strong number sense and mastery of multi-digit operations.

⭐ What’s Included:

• Addition and subtraction of 2-digit numbers

• Addition and subtraction of 3-digit numbers

• With and without regrouping

• Step-by-step strategy instruction

• Guided practice activities

• Independent worksheets

• Mixed review problems

• Math center tasks

• Assessment / review pages

📚 Perfect For:

• Grade 3 math curriculum units

• Whole group math lessons

• Small group instruction

• Math intervention or remediation

• Homework or extra practice

• Test prep and review

• Early finishers and math centers

🎯 Teacher-Friendly Features:

• Print-and-go format (no prep required)

• Clear scaffolding for struggling learners

• Challenge problems for advanced students

• Easy-to-follow lesson structure

• Aligned with Grade 3 Common Core standards

💡 Why Teachers Love This Unit:

Students gain confidence with adding and subtracting larger numbers through structured practice, visuals, and repeated exposure to key strategies. This unit helps reduce confusion around regrouping while building long-term fluency.

This Grade 3 Math Addition & Subtraction (2 and 3 digits) resource makes planning easy while ensuring full curriculum coverage.

• full year Grade 3 Math curriculum unit plans

• Grade 3 Addition & Subtraction (2 and 3 digits) daily lessons

• All learning outcomes practiced daily

• Alberta new curriculum kindergarten mathematics

• USA common core knowledge curriculum

Check the preview to see exactly what’s included! Preview this Unit Plan

Check out our complete list of resources!

K-6 ELA & Math Unit Plans & Lesson Plans Education Rocks Catalogue

Format: PDF - Opens to Google Slide.

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