Description

Fix the calendar glitch and save the fairy tales with this February Math Mystery 2nd Grade activity! ‘The Case of the Friendship Fiasco’ is a high-engagement math review where students must solve clues to erase “February 30th” and stop Mathhattan from colliding with Tale Town!

It’s the perfect no-prep math activity for Valentine’s Day or any time in February! 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).

February Math Mystery 2nd Grade Activity

To find the Timekeeper’s Toolkit and restore order, students must unlock five clues by correctly solving these Common Core-aligned challenges:

• Clue 1: Number Sense (Identifying Odd & Even Numbers)
• Clue 2: Geometry (2D Shape Attributes – counting sides & vertices of polygons)
• Clue 3: Data (Reading and interpreting a Bar Graph)
• Clue 4: Counting (Skip Counting sequences of 5s and 10s)
• Clue 5: Pre-Multiplication (Using Visual Arrays to understand repeated addition)

Flexible for Any 2nd Grade Classroom

Use these versatile Valentine’s Day math worksheetsas an  alternative for:

• A Valentine’s Day party station
• Math centers during February
• 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 60 minutes. We recommend pacing it by one clue at a time, allowing students to eliminate suspects as they go!

Common Questions for this 2nd Grade Math Review

Q: Is this appropriate for students new to multiplication?
A: Yes! Clue 5 focuses on Visual Arrays (Standard 2.OA.C.4). It is designed to build the foundation for multiplication using rows and columns, so students do not need to have memorized times tables yet.

Q: What Geometry skills are covered?
A: Clue 2 focuses on identifying Attributes of 2D Shapes. Students will need to count the sides and vertices (corners) of various polygons to solve the puzzle.

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 1-6 grade packs. We even have a blog post explaining how: learn how to differentiate here.

Other Grade Editions Available!

 Frequently Asked Questions & Extras 

• • How long does a Math Mystery usually take to complete? Most of my mysteries are designed to take approximately 40–60 minutes. This can vary depending on whether students work individually or in pairs. Many teachers also love using them as a “Friday Fun” activity or breaking them up over two shorter sessions.
  • Is there any prep involved? I know how busy you are, so I keep it “Print & Go.” There is no cutting, laminating, or complex setup required. Just print the clue pages and the opening story, and you are ready to start the investigation!
  • What is a Math Mystery? How do I use them in the classroom or homeschool? <Check out this blog post to read more about how to use these teaching resources>
  • Add extra motivation: Download the Mystery Record & Rank Chart FREEBIE HERE
  • Looking for more 2nd-grade resources? Math Mystery Worksheets & Activity Sheets for Teachers

  For more ideas, activities, and resources, follow my store to stay updated on new releases. We can also stay connected via:

  • Subscribe to my newsletter
  • Pinterest
  • Facebook

---

A complete answer key and printable awards are included!