Description
End the “Eternal Monday” and restore the New Year with this January Math Mystery 6th Grade activity! ‘The Case of the Jumbled January’ is a rigorous math review designed to sharpen 6th-grade skills in algebraic expressions, one-step equations, and unit rates after the holiday break.
It’s the perfect no-prep math activity to kickstart 2026! 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! Assign via Google Classroom or your preferred LMS. (Students must be in ‘edit mode’ to type).
- Interactive Detective Fun: Students use their math results to eliminate suspects and solve the mystery.
January Math Mystery 6th Grade Activity
To repair the Calendar Generator and stop the holiday icon chaos, students must unlock five clues by correctly solving 6th Grade Common Core standards:
- Clue 1: Order of Operations (PEMDAS including Exponents)
- Clue 2: Algebraic Expressions (Evaluating expressions through substitution)
- Clue 3: Algebra Foundations (Solving one-step equations)
- Clue 4: Decimals (Mixed operations with multi-digit decimals)
- Clue 5: Ratios (Solving Ratio and Unit Rate word problems)
Flexible for Any Middle School Classroom
Use this versatile winter math review alternative for:
- The first week back from Winter Break (New Year’s Activity)
- Math centers or stations
- Spiral review or test prep
- Your “early finisher” tub
- Emergency sub plans
Pacing & Timing
This activity typically takes between 45 minutes and 2 hours. We recommend pacing it by giving students one clue at a time to ensure they are accurately evaluating the algebraic components before moving to the next suspect.
Common Questions for this 6th Grade Math Review
Q: Does the Order of Operations include exponents?
A: Yes! Clue 1 specifically targets Standard 6.EE.A.1. Students will need to evaluate numerical expressions that involve whole-number exponents as part of the PEMDAS sequence.
Q: What types of Algebra are covered?
A: This mystery hits the “Big Three” of 6th Grade Algebra: **Exponents**, **Evaluating Expressions** (6.EE.A.2.C), and **Solving One-Step Equations** (6.EE.B.7). It’s a fantastic way to check mastery before starting more complex multi-step equations.
Q: How does differentiation work with these?
A: That’s our secret weapon! This mystery is available for other grades. If you have students needing a refresher on 5th-grade standards, you can “clue swap” with the 5th-grade version. Learn more about differentiation here.
Other Grade Editions Available!
The Jumbled January mystery is available for multiple grade levels:
A complete answer key and printable awards are included!








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