Description
Build a strong foundation this September with this Labor Day Math Mystery 4th Grade activity! ‘The Case of the Construction Crew Conundrum’ is a high-engagement math review designed to consolidate 3rd-grade skills like addition and subtraction, time, and place value during the first weeks of school.
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.
Labor Day Math Mystery 4th Grade Activity
To solve the site mix-up, students must unlock five clues by correctly solving a “Back to School” skills diagnostic:
- Clue 1: Addition (Fluency within 1,000)
- Clue 2: Subtraction (Fluency within 1,000)
- Clue 3: Word Problems (Solving mixed addition and subtraction scenarios)
- Clue 4: Measurement (Reading and Writing Time to the nearest minute)
- Clue 5: Place Value (Identifying the value of the underlined digit in 4-digit numbers)
Flexible for Any 4th Grade Classroom
Use this versatile Labor Day math worksheets alternative for:
- A fun holiday activity around Labor Day (September)
- A “Welcome Back” diagnostic tool
- Math centers or stations
- Homework or enrichment
- 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 this suitable for the beginning of 4th Grade?
A: Absolutely! This mystery is specifically designed as a bridge from 3rd to 4th Grade. It reviews critical skills like 4-digit Place Value and Telling Time to the Minute to ensure your students are ready for the year ahead.
Q: What types of Word Problems are included?
A: Clue 3 focuses on real-world scenarios involving Addition and Subtraction. This helps get students back into the “problem-solving mindset” after the 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 ‘Construction Crew’ theme? This mystery is also available for other grade levels (great for differentiation)!
A complete answer key and printable awards are included!
❤️Check out some other fun grade 4 Math Mysteries








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