Description

Beat the heat and the “summer slide” with this Summer Math Mystery 4th Grade activity! ‘The Case of the Mathhattan Meltdown’ is a high-engagement math review that challenges students to use their skills in ordering decimals, estimating angles, and multi-digit operations to save the city from a sticky situation.

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.

Summer Math Mystery 4th Grade Activity

To stop the meltdown, students must unlock five clues by correctly solving a comprehensive end-of-year review:

• Clue 1: Ordering Decimals (Comparing Whole numbers and Tenths)
• Clue 2: Geometry (Estimating Angle Measurements)
• Clue 3: Subtraction (Large numbers: 4, 5, and 6-digits with regrouping)
• Clue 4: Multiplication Word Problems (2-digit by 1-digit and 2-digit by 2-digit)
• Clue 5: Addition (Large numbers: 4 and 5-digits with regrouping)

Flexible for Any 4th Grade Classroom

Use this versatile summer math packet alternative for:

• A fun End of Year party activity
• Math centers or stations
• Summer school or tutoring
• 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: Why “Estimating” Angles?
A: Clue 2 focuses on **Estimating Angle Measurements** (e.g., recognizing if an angle is acute, obtuse, or right and estimating its degrees). This builds critical geometric sense before students rely solely on protractors.

Q: Is this suitable for the End of the Year?
A: Absolutely. It covers standards from multiple domains (NBT, NF, MD), making it a perfect **Spiral Review** to assess what students have learned throughout 4th grade before they head off to summer break.

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 ‘Mathhattan Meltdown’ 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
• 6th Grade Edition

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A complete answer key and printable awards are included!