IWB Software
Classroom Management Tools
Keep class organized and efficient
Google Integrated
Stay connected wherever you are
Testimonials
What teachers say about Gynzy
Resources
Getting Started
Watch how-to video tutorials
Desktop Application
Use Gynzy from a computer
Blog
Library
Pricing
Sign in
Try for free
Subtraction to 50
Library
Mathematics
Addition & Subtraction
Subtraction
Subtraction to 50
Show content
Tools
Lessons
All content
Mathematics
English Language Arts
Science
Social Studies
Social Emotional Learning
Games and Activities
Classroom Management
Holidays & Special Days
Building Blocks
Lesson
Subtraction to 50 with subtrahends >10
Lesson
Subtraction to 50 with subtrahends <10
Lesson
Subtraction to 50 with subtrahends >10
Lesson
Subtraction to 50 without crossing ten with subtrahends <10
Get started with Gynzy
Try for free
Contact us
