Description

Fix the timeline and stop the chaos with this Time Review Math Mystery 4th Grade activity! ‘The Case of the Time Traveling Troll’ is a high-engagement math review designed to practice elapsed time, converting units, and telling time in a fun, fantasy setting.

It’s the perfect no-prep math activity! This resource is loaded with options, including an optional video hook and a NEW ending video (with voiceovers!) to wrap up the case!

Easy Prep for Print or Digital

This resource is designed to be low-prep for you and high-engagement for your students.

• Printable PDF Version: Just print the worksheets, staple, and go.
• Google Slides Digital Version: 100% paperless! Simply assign in Google Classroom. (Students must be in ‘edit mode’ to type).
• Easel by TPT: Complete the worksheets digitally for seamless online learning.

Time Review Math Mystery 4th Grade Activity

To catch the troll and restore history, students must unlock five clues by correctly solving standard 4th Grade Time skills:

• Clue 1: Time Conversions (Converting hours to minutes, minutes to seconds – Please verify in PDF)
• Clue 2: Telling Time (Reading analog clocks to the nearest minute)
• Clue 3: Elapsed Time (Calculating time intervals and duration)
• Clue 4: Word Problems (Solving real-world scenarios involving time)
• Clue 5: Start and End Times (Determining when an event began or finished)

Flexible for Any 4th Grade Classroom

Use this versatile measurement and data alternative for:

• A mid-year review of Measurement standards (4.MD.A.1, 4.MD.A.2)
• Math centers or stations
• Homework or enrichment
• Your “early finisher” tub
• A lifesaver for your sub-tub!

Pacing & Timing

This is a comprehensive review that can take anywhere from 30 minutes to 2+ hours, depending on your students’ skill level. We recommend pacing it by one clue at a time.

Common Questions for this 4th Grade Math Review

Q: Is Elapsed Time covered?
A: Yes! This mystery focuses heavily on Standard 4.MD.A.2. Students will practice calculating how much time has passed, which is often the most challenging time concept for 4th graders.

Q: Are conversions included?
A: Typically, yes. The mystery usually reviews converting larger units to smaller units (like hours to minutes) to help students understand the relative size of time measurements.

Q: How does differentiation work with these?
A: That’s our secret weapon! Many of our stories are available for other grades, so you can “clue swap” with the 2-6 grade packs. We even have a blog post explaining how: learn how to differentiate here.

Other Grade Editions Available!

Love this ‘Time Traveling Troll’ theme? This mystery is also available for other grade levels (great for differentiation)!

• 1st Grade Edition
• 2nd Grade Edition
• 3rd Grade Edition
• 5th Grade Edition

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A complete answer key and printable awards are included!