Have Fun Decoding Secret Messages with Number Line Codebreaker Worksheets. 

Completing these secret message worksheets is a fun and engaging activity for kids in the classroom to familiarize themselves with a number line and how to use one to complete different operations. There are five exciting codebreakers worksheets included, focusing on the following:

• Locating numbers to 15 on a number line.
• Adding single-digit numbers and finding their sums on a number line.
• Subtracting numbers less than ten from two-digit numbers without regrouping.
• Subtracting numbers less than ten from two-digit numbers WITH regrouping.

Not only will kids have fun trying to crack the code, but they’ll also develop some of the following skills:

• Critical thinking
• Problem-solving
• Attention to detail
• Fine motor skills
• Patience and persistence.

Each secret code worksheet features an inspirational message hidden in the code. An answer key is included with your download to make grading fast and easy!

Easily Download & Print

Use the dropdown icon on the Download button to choose between the PDF or Google Slides version of this resource. 

Because this resource includes an answer sheet, we recommend you print one copy of the entire file. Then, make photocopies of the blank worksheet for students to complete. 

This resource was created by Cassandra Friesen, a teacher in Colorado and Teach Starter Collaborator.