Description
Celebrate the holiday with this Chinese New Year Math Mystery 1st grade Activity! ‘The Case of the Red Envelope Riddles’ is a high-engagement Lunar New Year math activity that turns a 1st-grade review into an exciting, cultural 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).
Chinese New Year Math Mystery 1st grade Activity
To solve the riddles, students must unlock five clues by correctly solving:
- Clue 1: Measuring Length using Non-Standard Units
- Clue 2: Read and Write Time (o’Clock and Half-Past only)
- Clue 3: Place Value Blocks (Tens and Ones)
- Clue 4: Addition within 20 (Number Line Provided)
- Clue 5: Comparing Heights of objects (which is taller?)
Flexible for Any 1st Grade Classroom
Use this versatile Chinese New Year 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 Lunar New Year math activity for 1st grade? A: This mystery has a fun “Red Envelope Riddles” theme, making it the perfect holiday activity. However, it’s a powerful 1st grade math review printable that you can use any time of year!
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 read ‘What is a Math Mystery?’ blog post to learn more!
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.” We even have a blog post explaining how: ‘How to Differentiate’ blog post
Looking for more 1st Grade adventures?
A complete answer key and printable awards are included!








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