Make Halloween math both fun and effective with these 4-digit addition and subtraction worksheets focused on regrouping. These high-interest Math Mystery activities are perfect for 2nd, 3rd, and 4th grade students, and can also be used with struggling 5th graders who need extra practice. Each mystery challenges students to solve 16 problems in order to eliminate suspects and reveal the solution.

Designed to be completed in one class period, each worksheet begins with a short Halloween-themed story. Students then use their addition and subtraction skills to work through the clues. The mystery format, featuring ghosts, zombies, and witches, is especially motivating during the September and October months.

Math Mysteries follow an escape-room-style format where students solve puzzles and word problems instead of unlocking physical locks. These print-and-go activities are ideal for math centers, independent work, review, or sub plans during the Halloween season.

This Halloween math mystery pack includes:

5 Halloween-themed math mysteries:

• Focused on 4-digit addition and subtraction with regrouping
• High-interest stories to engage students
  

Also included:

• 5 full-color versions
• 5 black-and-white versions
• Answer keys
• Teacher instruction page
• Halloween-themed coloring page for early finishers

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