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Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
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Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets
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What others say

"We use this as an activity for our small group time, or just to mix up our routine, after we get done with a unit or topic."
star
Megan W.
"So thankful for Mrs. J's Math Mysteries for ALWAYS keeping my students engaged in their learning and is always a great tool to review math concepts!!"
star
Chiara M.

Description

Valentine's Day Math Mystery: Case Of The Valentine Villain - 5th Grade Edition. Your students will be using a variety of math and critical thinking skills in these EASY PREP worksheets to help solve a Valentine crime! Easy prep! Just Print & Solve! Or go paperless with the new Google Slides option provided within your download.

--------------------------------------------------------------------------------------------

Optional video hook included for introducing the case! (Check it out in the preview section)

BONUS: Ending video added to wrap up the case!

The videos have been updated to include a voiceover.

---------------------------------------------------------------------------------------------

Preparation

- Print the student pages, staple or sort them in a folder, and your students are set to go.

- Have the video hook ready for viewing at the start of the lesson on an IWB, iPad, or computer monitor screen.

- Digital option: Make digital copies of the Google Slides before assigning to Google Classroom. Students will need to be in 'edit' mode to enter answers.

Math Skills Required to Unlock Clues

Students must use their math skills to unlock clues that will help them narrow down a list of suspects to find the Valentine Villain!

  • Clue 1: Adding Mixed Number Fractions
  • Clue 2: Area - Find the missing side (customary and metric unit options provided)
  • Clue 3: Is it divisible by 9?
  • Clue 4: Convert decimals from expanded form to standard form (with fractions)
  • Clue 5: Adding & Subtracting Decimals (hundredths)

>> Pack includes a mystery declaration sheet, answer sheets, an elimination guide, and printable awards.

This mystery is included in the math mystery bundles below:

Bundle and Save with Math Mysteries HOLIDAY Bundle Pack GRADE 5 OR

Complete Math Mystery Bundle for GRADE 5

How long will this activity take?

The time to complete will vary anywhere between 30mins - 2 hours! It mainly depends on how familiar your students are with the math mystery format and how difficult they find math skills covered in the particular mystery. Please check the math skills outlined in the clues above to help determine suitability for your class. I recommend pacing this activity by giving students one clue at a time. Once the whole class has completed a clue, move on to the next clue within the same lesson or the next math session. New math content presented? Make a lesson out of it by modeling the math before diving into the clue. I like to say, "We must learn something new before attempting the next clue." There are lots of ways to implement this activity in your classroom; learn more in the blog post link below:

Read Blog Post: Five Easy Ways to use Math Mysteries in your Classroom.

Great for review, math centers, extra practice, enrichment, homework, the sub tub, or early finishers.

Differentiation Tip: Clue swap across grade levels to adjust the mystery with skills to suit student needs. As long as the clue number being swapped is the same, the mystery will work the same.


⭐Add extra motivation with this Detective Rank Chart Download the Mystery Record & Rank Chart FREEBIE HERE

>> CLICK HERE to follow my store <<

❤️Bundle and Save!❤️

COMPLETE Math Mystery Bundle for GRADE 5

Holiday Math Mystery Bundle {GRADE 5}

Seasons Math Mystery Bundle Pack (GRADE 5)

-----------------------------------------------------------------------------------------------------

TRY A FULL FREE MATH MYSTERY HERE (GRADES 1 - 6 DIFFERENTIATED BUNDLE)

Browse the 5th Grade Range:

>>Download the FREE 5th Grade Math Mystery Checklist here<<

-----------------------------------------------------------------------------------------------------

Check out our entire range of Math Mysteries HERE

This Valentine's Villain Math Mystery is available in the following math grade packs:

❤️You may also be interested in the following Valentine's Day Mysteries:❤️

--------------------------
For more ideas, activities, and resources, follow my store (by clicking the little green star) to stay updated on new releases. We can also stay connected via:

Blog
Pinterest
Facebook
Instagram @mrsjsresourcecreations
_________________________________________________________________
>>CLICK HERE to follow my store <<


Thank you!

Mrs. J.

© 2023

Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.

Valentine's Day Math Mystery Activity 5th Grade - Printable & Digital Worksheets

Mrs J's Resource Creations
41.9k Followers
$4.95

Highlights

Digital downloads
Grades icon
Grades
Standards icon
Standards
Pages
18
Answer Key
Included

What others say

"We use this as an activity for our small group time, or just to mix up our routine, after we get done with a unit or topic."
star
Megan W.
"So thankful for Mrs. J's Math Mysteries for ALWAYS keeping my students engaged in their learning and is always a great tool to review math concepts!!"
star
Chiara M.

Save even more with bundles

This Complete Math Mystery Tri-Grade Bundle contains all of my math mysteries currently in the range available for Grades 4, 5, and 6!Make math fun and exciting by adding a mystery twist to your worksheets. Your students will gain lots of math practice while also developing their critical thinking a
Price $637.02Original Price $910.05Save $273.03
192
Math Mysteries for the HOLIDAYS collection! 5th Grade Edition. These fun math mystery activities will get your students excited about doing math review! Save time and money with this Math Mystery HOLIDAY bundle for Grade 5!Easy prep! Just Print &amp; Solve! Or go paperless with the new Google Docs o
Price $92.62Original Price $132.30Save $39.68
27
Math Mystery COMPLETE 5th Grade Edition collection! This complete math mystery bundle contains all of my math mysteries for Grade 5 up to date! Make math fun and exciting with these engaging activities that will motivate even some of your most reluctant learners.Easy prep! Just Print &amp; Solve! Or
Price $221.28Original Price $316.10Save $94.82
68

Description

Valentine's Day Math Mystery: Case Of The Valentine Villain - 5th Grade Edition. Your students will be using a variety of math and critical thinking skills in these EASY PREP worksheets to help solve a Valentine crime! Easy prep! Just Print & Solve! Or go paperless with the new Google Slides option provided within your download.

--------------------------------------------------------------------------------------------

Optional video hook included for introducing the case! (Check it out in the preview section)

BONUS: Ending video added to wrap up the case!

The videos have been updated to include a voiceover.

---------------------------------------------------------------------------------------------

Preparation

- Print the student pages, staple or sort them in a folder, and your students are set to go.

- Have the video hook ready for viewing at the start of the lesson on an IWB, iPad, or computer monitor screen.

- Digital option: Make digital copies of the Google Slides before assigning to Google Classroom. Students will need to be in 'edit' mode to enter answers.

Math Skills Required to Unlock Clues

Students must use their math skills to unlock clues that will help them narrow down a list of suspects to find the Valentine Villain!

  • Clue 1: Adding Mixed Number Fractions
  • Clue 2: Area - Find the missing side (customary and metric unit options provided)
  • Clue 3: Is it divisible by 9?
  • Clue 4: Convert decimals from expanded form to standard form (with fractions)
  • Clue 5: Adding & Subtracting Decimals (hundredths)

>> Pack includes a mystery declaration sheet, answer sheets, an elimination guide, and printable awards.

This mystery is included in the math mystery bundles below:

Bundle and Save with Math Mysteries HOLIDAY Bundle Pack GRADE 5 OR

Complete Math Mystery Bundle for GRADE 5

How long will this activity take?

The time to complete will vary anywhere between 30mins - 2 hours! It mainly depends on how familiar your students are with the math mystery format and how difficult they find math skills covered in the particular mystery. Please check the math skills outlined in the clues above to help determine suitability for your class. I recommend pacing this activity by giving students one clue at a time. Once the whole class has completed a clue, move on to the next clue within the same lesson or the next math session. New math content presented? Make a lesson out of it by modeling the math before diving into the clue. I like to say, "We must learn something new before attempting the next clue." There are lots of ways to implement this activity in your classroom; learn more in the blog post link below:

Read Blog Post: Five Easy Ways to use Math Mysteries in your Classroom.

Great for review, math centers, extra practice, enrichment, homework, the sub tub, or early finishers.

Differentiation Tip: Clue swap across grade levels to adjust the mystery with skills to suit student needs. As long as the clue number being swapped is the same, the mystery will work the same.


⭐Add extra motivation with this Detective Rank Chart Download the Mystery Record & Rank Chart FREEBIE HERE

>> CLICK HERE to follow my store <<

❤️Bundle and Save!❤️

COMPLETE Math Mystery Bundle for GRADE 5

Holiday Math Mystery Bundle {GRADE 5}

Seasons Math Mystery Bundle Pack (GRADE 5)

-----------------------------------------------------------------------------------------------------

TRY A FULL FREE MATH MYSTERY HERE (GRADES 1 - 6 DIFFERENTIATED BUNDLE)

Browse the 5th Grade Range:

>>Download the FREE 5th Grade Math Mystery Checklist here<<

-----------------------------------------------------------------------------------------------------

Check out our entire range of Math Mysteries HERE

This Valentine's Villain Math Mystery is available in the following math grade packs:

❤️You may also be interested in the following Valentine's Day Mysteries:❤️

--------------------------
For more ideas, activities, and resources, follow my store (by clicking the little green star) to stay updated on new releases. We can also stay connected via:

Blog
Pinterest
Facebook
Instagram @mrsjsresourcecreations
_________________________________________________________________
>>CLICK HERE to follow my store <<


Thank you!

Mrs. J.

© 2023

Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.

Reviews

4.9
Rated 4.88 out of 5, based on 616 reviews
616
ratings
5
566
4
48
3
2
2
0
1
0
Mostly used with 5th grade
Reviews
3
3
13
31
269
29
4
1st
2nd
3rd
4th
5th
6th
7th
What customers are saying
Met expectations
100%
Is a great value
100%
Is standards-aligned
100%
All verified TPT purchases
Great resource
Rated 5 out of 5
July 17, 2026
Met expectations
Great value
Standards-aligned
Such a great activity for my kids- can be used in so many different ways!
Jenna H.
196 reviews • Ohio
Grades taught: 5th
Well Designed
Rated 5 out of 5
July 6, 2026
This really helped my students with their SBAC review! Thank you so much!
Katie D.
262 reviews • Connecticut
Grades taught: 3rd, 4th, 5th
Such a great resource - as always.
Rated 5 out of 5
June 28, 2026
This was a well-crafted resource that was super fun to use with students.
Brooke D.
1,460 reviews • Indiana
Grades taught: 5th, 6th
Keeps kids engaged
Rated 5 out of 5
June 21, 2026
We use this as an activity for our small group time, or just to mix up our routine, after we get done with a unit or topic.
Megan W.
63 reviews • Oregon
Grades taught: 3rd, 4th, 5th
spiral review
Rated 5 out of 5
June 18, 2026
great spiral review activity for previously taught material
Mrs Katie Learning
(TPT Seller)
382 reviews
Grades taught: PreK, K, 1st, 2nd
Student populations: Mild to severe disabilities
Amazing as Always
Rated 5 out of 5
June 17, 2026
So thankful for Mrs. J's Math Mysteries for ALWAYS keeping my students engaged in their learning and is always a great tool to review math concepts!!
Chi Chi's Corner
(TPT Seller)
105 reviews • New York
Grades taught: K, 1st, 2nd, 3rd, 4th, 5th, 6th
A Very Handy Resource
Rated 5 out of 5
May 28, 2026
Met expectations
Great value
This was just what I was looking forward. Thanks for the time-saver.
Suzie W.
3,469 reviews • Mississippi
Grades taught: 5th
Kids enjoyed the Mystery Math
Rated 5 out of 5
May 5, 2026
Met expectations
Great value
Standards-aligned
The Kids really enjoyed completing the Math Mystery Activity.
Victoria M.
171 reviews • Texas
Grades taught: 3rd, 5th

Questions & Answers

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Standards

to see state-specific standards (only available in the US).
Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000).
Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.
Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, 𝘢/𝘣 + 𝘤/𝘥 = (𝘢𝘥 + 𝘣𝘤)/𝘣𝘥.)
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