This 1st grade what’s in the box mystery makes subtract multiples of 10 practice feel like an adventure! It’s a first grade math escape room in disguise.
$6.00
This 1st grade what’s in the box mystery makes subtract multiples of 10 practice feel like an adventure! It’s a first grade math escape room in disguise. Instead of regular math worksheets, student detectives crack the code, follow the clues, and solve the case in this math activity. You get 2 versions: a subtracting multiples of ten review and a math facts review for easy differentiation. Plus, both print and digital mystery options are provided. Fun for math centers, sub plans, theme day, whole group, small groups, or a detective classroom transformation.
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WHAT IS THIS?
Students solve a set of clues to crack The Case of the Mystery Box. What makes this activity so easy to use? Print the clues, read the directions to students, and you’re ready to play! No prep needed. This math escape room is completely print and go.
⭐Explore More What’s In the Box Mysteries by Grade or Skill:⭐
Math Cases: K | 1st | 2nd | 3rd | 4th | 5th | Math Facts | K–5 Mini Bundle
Phonics Cases: Kindergarten | 1st | 2nd | CVC
Grammar Cases: Grades 2–3 | Parts of Speech
HOW TO PLAY
INCLUDED SKILLS:
EXTRA ADDITION & SUBTRACTION MYSTERY
Do you have students who need math fact practice? There’s an extra mystery included that focuses on addition and subtraction facts to 20.
While some students work on the subtracting multiples of ten mystery, other students can work on the Add & Subtract to 20 mystery. Same suspects, same conclusion, but a different type of questions. It’s a great way to differentiate in small groups!
3 AND 5 CLUE OPTIONS
Every mystery comes with a short 3-clue option or a longer 5-clue option, so you can easily adjust the length based on how much time you want the activity to take.
PRINT AND DIGITAL
Choose between print-and-go or a digital version in Google Slides. Both are easy to assign in Google Classroom and perfect for teachers working with copy limits.
FAST FINISHER ACTIVITY
If students finish early, hand them a certificate of completion and one of 6 directed drawings to complete while their classmates keep working.
WHY TEACHERS LOVE THESE:
HOW TO USE:
Please note: Students in K–1 will need teacher support to read and understand the clues. This is not an independent activity for younger grade levels who are learning to read.
Frequently Asked Questions (FAQ):
Do these come with 3 clues or 5 clues?
Both! Choose the 3 clue or 5 clue version based on your students’ needs, or use both to differentiate. Since both versions lead to the same culprit, students won’t know they received different assignments.
How do I use this with my students?
This is meant to be used with teacher support in first grade. Use these activities with the whole class, in small groups at the teacher table, or with students who need a fun twist on math remediation. 1st grade students will need help reading the directions at first but can work more independently once they learn the format.
Are the math cases the same as the reading cases?
No! The math and reading versions use completely different clues, practice different skills, and reveal different culprits. The starting list of suspects is the only part they share. Students can complete both the math and reading versions without solving the same mystery twice! Check out the previews for a closer look at the differences.
How long does it take to complete this activity?
Completion time depends on the version, skill, students’ ability levels, and whether they are working with or without teacher support. The 3-clue version works well when time is limited, while the 5-clue version provides a longer activity. Complete the case in one sitting or spread the clues across several days. After trying one, you’ll have a better sense of the pacing that works best for your class!
Is a digital version included?
Yes! The digital version is available in Google Slides and the link is included in the printable PDF. You can download the Google Slides to use in PowerPoint if needed.
This activity includes 2 versions. What is the difference between the main mystery and the fact fluency mystery?
Both versions follow the same storyline and format, so they look the same to students. However, the worksheet pages practice different skills. This allows you to choose the version that best fits each student without drawing attention to different assignments. If you would like students to complete a mystery that leads to a new ending, the reading mysteries have completely different clues and endings!
What should students do if they finish early?
Students who finish early can complete an included directed drawing while their classmates continue working. A certificate of completion is included for every student. You can also have fast finishers complete unfinished assignments or read independently.
MORE 1ST GRADE MATH CASES TO SOLVE:
Do you need a different skill or theme? Check out the free mystery guide to find what you need!
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Planning to use this resource with more than one teacher or classroom?
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