Are your students struggling to see what number is missing in addition problems, especially when adding tens? This Missing Addends Practice resource is designed to help students develop strong number sense by focusing on missing addends that increase numbers by tens. Students learn to think flexibly about addition, rather than relying on guess-and-check strategies. Perfect for reinforcing mental math and place value understanding in a clear, structured way.

What’s Included:

✔ 2 differentiated worksheets that target missing addends with tens
✔ 36 task cards for hands-on, engaging practice
✔ Recording sheet for accountability and easy grading
✔ Complete answer keys for all activities
✔ Color and black-and-white task card options for flexible printing

Skills Students Practice:

• Finding the missing addend
• Understanding how adding tens changes numbers
• Strengthening place value reasoning
• Building mental math strategies
• Explaining how they know the missing number

Perfect For:

✔ Math centers
✔ Small groups or intervention
✔ Independent practice
✔ Whole-class review
✔ Early finishers

This resource is ideal for students who need extra practice with missing addends and number sense — without overwhelming visuals or unnecessary complexity.

Are you student's struggling with missing addends? Check out the Missing Addends Intervention Toolkit.

Check out some of my other products:

Missing Addends Task Cards

Missing Addend Story Problem Pack

Kindergarten Math Work Stations Bundle

First Grade Math Work Stations Bundle

Second Grade Math Work Stations Bundle

Third Grade Math Work Stations Bundle