Place Value CSI Mystery Worksheets

Inside the case file

Looking for a fun and engaging way to review place value? This Pirate-themed CSI Mystery Detective is packed with place value math activities designed to strengthen your students' understanding of numbers to 1,000 — including 10 more/less, 100 more/less, greater than/less than, and ordering numbers. Ideal for 3rd grade and 4th grade place value review, with bonus support for struggling 5th grade learners.

This fun escape-room-style CSI Mystery Detective will have your students solving problems and cracking clues to uncover the culprit. No locks needed — just engaging puzzles and elimination-style detective work.

This Place Value Pirate CSI Mystery Detective includes:

• Ordering numbers in the hundreds and thousands
• 10 more / 10 less and 100 more / 100 less
• Comparing numbers to 1,000 using greater than and less than
• Adding and subtracting 2- and 3-digit numbers
• Answer key included for easy grading
• Color and black & white versions

Use this CSI Mystery Detective for:

• A back-to-school place value review
• No-prep math centers or sub plans
• Engaging test prep or early finisher activities
• End-of-year math spiral review
• Homeschool enrichment or reinforcement

CSI Mystery Detective packs are independent escape room or crack-the-code style math activities. Instead of physical locks, students solve math problems to eliminate suspects and crack the case.

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