Description
Turn subtraction practice into a puzzle with Math Decoders™! These Halloween themed task cards transform subtraction facts 11–20 into engaging code-breaking games. Students use picture codes with ghosts, witches, and jack-o-lanterns to build and solve equations, making practice hands-on and seasonal for Kindergarten and 1st Grade.
Math Decoders™ are puzzle-style math games that turn subtraction practice into code-breaking fun. In this Halloween themed set, students solve subtraction facts 11–20 by matching picture codes to numbers, completing the equation, and recording their answers. The consistent routine helps students build fluency, independence, and confidence while enjoying seasonal math practice.
What’s Included:
- Subtraction Task Cards for Subtraction Facts 11 to 20 (Halloween themed)
- Number Code Key
- Ten Frame Task Cards for support
- Crack the Code Full Mat
- Small Subtraction Task Cards for the Full Mat
- Recording Worksheet
- Task Card Box Label
Skills Covered
- Subtraction facts within 20
- Fact fluency and automaticity
- Number recognition
- Problem-solving and logical reasoning
- Using ten frames to support computation
How It Works
- Use the code to find the numbers.
- Write the subtraction fact on the task card or mat.
- Use the ten frame to solve the problem.
- Record the subtraction fact on the worksheet.
Why Teachers Love It
- Brings Halloween fun into subtraction practice
- Puzzle format builds engagement and persistence
- Includes recording worksheet for accountability
- Works for independent, partner, or small group practice
Give your students a fun way to practice subtraction facts 11–20 this Halloween with these Crack the Code Math Task Cards — part of the Math Decoders™ series.
Math Decoders™ is a trademark of United Teaching. © 2025 United Teaching. All rights reserved.
