Math Decoders™ – Crack the Code Math Games and Activities for Kindergarten and 1st Grade

Crack the Code. Build the Skill.

Puzzle-style math games and activitives that make number sense fun, structured, and effective for Kindergarten and 1st Grade.

Welcome to Math Decoders™

Math Decoders™ were created to make fact fluency fun, structured, and effective. Each set turns traditional math practice into an exciting puzzle students can’t wait to solve. Students match the pictures to the numbers to decode each sum before solving it.

Behind the fun, Math Decoders™ help young learners strengthen key skills like number sense, addition and subtraction fluency, and logical reasoning—all while building confidence and a growth mindset for math. Designed for Kindergarten and 1st Grade, these games make independent practice feel like play.

How Math Decoders™ Work

Skills Covered by Math Decoders™ Activities

Math Decoders™ packets reinforce these foundational skills while keeping students motivated through play-based learning.

Addition within 10 and 20
Subtraction within 10 and 20
Making 10 and number bonds
Comparing numbers to 10 and 20
Tens and ones (Place Value)
Fact families
Problem-solving and critical thinking
Number recognition and fact fluency

Why Teachers Love Math Decoders™

Engagement built in: Kids feel like detectives, not worksheet fillers.
One routine, endless uses: Teach once, swap themes or levels.
Differentiation made easy: Run multiple skill levels in the same center.
Low prep, high value: Print, laminate, and you're set all year.
Flexible: Perfect for math centers, small groups, morning tubs, or sub plans.

Tips for Using Math Decoders™

Explore the Collection

Keep your math centers fresh all year long! Math Decoders™ come in fun seasonal themes that capture students’ attention and bring variety to your math block.