Description

Get ready for Groundhog Day with this Groundhog Day Math Mystery 1st grade Activity! ‘The Case of the Kidnapped Groundhog’ is a high-engagement February math activity that turns a challenging 1st-grade review into an exciting case-solving mission.

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).

Groundhog Day Math Mystery 1st grade Activity

To find the kidnapped groundhog, students must unlock five clues by correctly solving:

• Clue 1: Adding 10 (to 1-digit and 2-digit numbers)
• Clue 2: Convert 2-digit numbers from expanded form
• Clue 3: Comparing Numbers (1-digit and 2-digit numbers)
• Clue 4: Adding 1-Digit Numbers (1-5 Only) to 2-Digit Numbers (No Regrouping)
• Clue 5: Making 15 – Fill in the missing number

Flexible for Any 1st Grade Classroom

Use this versatile Groundhog Day math activity for:

• A fun spiral review
• 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 1st Grade Math Review

Q: Is this just a Groundhog Day math activity for 1st grade?
A: This mystery has a fun “Kidnapped Groundhog” theme, making it the perfect February math activity. However, it’s a powerful 1st grade math review printable that you can use any time of year!

Q: What skills does this mystery cover?
A: This is a comprehensive review. Students will practice adding 10, 1st grade place value (expanded form), comparing numbers, and making 15.

Q: What exactly is a Math Mystery?
A: It’s our high-engagement, multimedia math activity! Students solve 5 clues to crack a case, all while watching fun video hooks. You can learn more about math mysteries here.

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. (Please note: The Grade 1 version cannot be ‘clue swapped’ as it’s simplified.)

Other Grade Editions Available!

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

• 2nd Grade Edition
• 3rd Grade Edition
• 4th Grade Edition
• 5th Grade Edition
• 6th Grade Edition

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A complete answer key is included!