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Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
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Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade
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What others say

"I absolutely LOVE using math mysteries with my gifted resource students! It covers their grade level math skills, while incorporating deductive reasoning and other critical thinking skills! The intro and ending videos really get them pumped to solve the mystery!"
star
JOEY H.
"I have A LOT of Mrs J's Math Mysteries. The students absolutely love them and it's great for independent work time. "
star
Angela S.

Description

Addition Math Mystery 5th Grade Edition. This Addition Mystery Math game is easy to prep! Just Print & Solve! Or go paperless with the new Google Docs 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!

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

Distance Learning: The worksheets are also available digitally with Google Slides. Please note that you will need to make a copy of the Google Slides to your drive before you can edit.

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

MATH SKILLS COVERED

There are five clues to crack to solve the mystery:

  • Clue 1: Adding Fractions (with both LIKE and UNLIKE denominators. Simplifying answers required)
  • Clue 2: Balance Addition Equations (3-digit and 4-digit numbers)
  • Clue 3: Addition Input/Output Tables - apply the rule e.g. b = 100 + a (3-digit and 4-digit Numbers)
  • Clue 4: Addition Algorithms (4-6 digit numbers.)
  • Clue 5: Adding Decimals (tenths and hundredths)

>> Also included:

  • Printable Awards
  • Editable Mystery List and two premade alternative lists to swap out for a different mystery solution
  • Answer Key

>> Great activity for:

  • consolidation
  • extra practice/review
  • enrichment
  • homework packs or assignments
  • early finishers.

Multiple Uses

- Suitable for independent, pairs, or group work.

- Use as part of your math centers, add to your sub tubs, make it part of your early finisher tasks, give for homework, or make it part of your classroom practice/review sessions.

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."

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

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.

This Addition focused Math Mystery activity is available in versions for GRADES 1-5! Click the links below to find out the specific addition skills covered in each level:

Addition Math Mystery: Case of the Angry Adder (GRADE 1)

Addition Math Mystery: Case of the Angry Adder (GRADE 2)

Addition Math Mystery: Case of the Angry Adder (GRADE 3)

Addition Math Mystery: Case of the Angry Adder (GRADE 4)

Addition Math Mystery: Case of the Angry Adder (GRADE 5)

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

You may also like: Subtraction Math Mystery: Case of The Dream Snatcher (GRADE 5)

Bundle and Save!

COMPLETE Math Mystery Bundle for GRADE 5

Holiday Math Mystery Bundle {GRADE 5}

Seasons Math Mystery Bundle Pack (GRADE 5)

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

Not sure what a math mystery is? CLICK HERE to watch a video about Math Mysteries.

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<<

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

For more ideas, activities, and resources, let's stay connected:

>> CLICK HERE to follow my TPT store <<

Blog

Pinterest

Facebook

Instagram @mrsjsresourcecreations

_________________________________________________________________

________________________________________________________________

Thank you!

Mrs. J.

© 2016

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.

Adding Decimals & Adding Fractions Math Mystery Escape Room Game - 5th Grade

Mrs J's Resource Creations
41.7k Followers
$4.95

Highlights

Grades icon
Grades
Standards icon
Standards
Pages
16
Answer Key
Included

What others say

"I absolutely LOVE using math mysteries with my gifted resource students! It covers their grade level math skills, while incorporating deductive reasoning and other critical thinking skills! The intro and ending videos really get them pumped to solve the mystery!"
star
JOEY H.
"I have A LOT of Mrs J's Math Mysteries. The students absolutely love them and it's great for independent work time. "
star
Angela S.

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 $626.63Original Price $895.20Save $268.57
189
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 $217.81Original Price $311.15Save $93.34
67
This SKILLS math mystery bundle contains all of my skill/concepts focused math mysteries for 5th Grade 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 go paperless with the new Go
Price $98.32Original Price $122.90Save $24.58
25

Description

Addition Math Mystery 5th Grade Edition. This Addition Mystery Math game is easy to prep! Just Print & Solve! Or go paperless with the new Google Docs 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!

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

Distance Learning: The worksheets are also available digitally with Google Slides. Please note that you will need to make a copy of the Google Slides to your drive before you can edit.

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

MATH SKILLS COVERED

There are five clues to crack to solve the mystery:

  • Clue 1: Adding Fractions (with both LIKE and UNLIKE denominators. Simplifying answers required)
  • Clue 2: Balance Addition Equations (3-digit and 4-digit numbers)
  • Clue 3: Addition Input/Output Tables - apply the rule e.g. b = 100 + a (3-digit and 4-digit Numbers)
  • Clue 4: Addition Algorithms (4-6 digit numbers.)
  • Clue 5: Adding Decimals (tenths and hundredths)

>> Also included:

  • Printable Awards
  • Editable Mystery List and two premade alternative lists to swap out for a different mystery solution
  • Answer Key

>> Great activity for:

  • consolidation
  • extra practice/review
  • enrichment
  • homework packs or assignments
  • early finishers.

Multiple Uses

- Suitable for independent, pairs, or group work.

- Use as part of your math centers, add to your sub tubs, make it part of your early finisher tasks, give for homework, or make it part of your classroom practice/review sessions.

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."

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

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.

This Addition focused Math Mystery activity is available in versions for GRADES 1-5! Click the links below to find out the specific addition skills covered in each level:

Addition Math Mystery: Case of the Angry Adder (GRADE 1)

Addition Math Mystery: Case of the Angry Adder (GRADE 2)

Addition Math Mystery: Case of the Angry Adder (GRADE 3)

Addition Math Mystery: Case of the Angry Adder (GRADE 4)

Addition Math Mystery: Case of the Angry Adder (GRADE 5)

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

You may also like: Subtraction Math Mystery: Case of The Dream Snatcher (GRADE 5)

Bundle and Save!

COMPLETE Math Mystery Bundle for GRADE 5

Holiday Math Mystery Bundle {GRADE 5}

Seasons Math Mystery Bundle Pack (GRADE 5)

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

Not sure what a math mystery is? CLICK HERE to watch a video about Math Mysteries.

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<<

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

For more ideas, activities, and resources, let's stay connected:

>> CLICK HERE to follow my TPT store <<

Blog

Pinterest

Facebook

Instagram @mrsjsresourcecreations

_________________________________________________________________

________________________________________________________________

Thank you!

Mrs. J.

© 2016

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 4.93 out of 5, based on 141 reviews
141
ratings
5
134
4
7
3
0
2
0
1
0
Mostly used with 5th grade
Reviews
1
4
8
47
3
2nd
3rd
4th
5th
6th
All verified TPT purchases
Great for Review and Critical Thinking
Rated 5 out of 5
May 7, 2026
This math mystery turned a regular review lesson into something students were genuinely excited about. Even my reluctant learners stayed focused because they wanted to solve the case. The setup was simple, the directions were clear, and the included awards and editable mystery options were a wonderful bonus!
Jennifer W.
2,003 reviews
Great for gifted students!
Rated 5 out of 5
April 13, 2026
Met expectations
Great value
Standards-aligned
I absolutely LOVE using math mysteries with my gifted resource students! It covers their grade level math skills, while incorporating deductive reasoning and other critical thinking skills! The intro and ending videos really get them pumped to solve the mystery!
JOEY H.
52 reviews • Georgia
Grades taught: 5th
Great Resource
Rated 5 out of 5
February 27, 2026
My students love these Math Mysteries! Engaging and keeping kids on task!
Learning for Fun
(TPT Seller)
660 reviews • Kentucky
Grades taught: 5th
Great math mystery
Rated 5 out of 5
January 30, 2026
Met expectations
Great value
Standards-aligned
Students were highly engaged. Was easy to scaffold for intervention groups.
Jennifer R.
38 reviews • Massachusetts
Grades taught: 3rd, 4th, 5th
Student populations: Emerging bilinguals, Learning difficulties, Mild to severe disabilities
Escape Room
Rated 4 out of 5
January 26, 2026
Met expectations
Great value
Standards-aligned
An excellent engaging resource that I used with my students!
Alyssa P.
202 reviews • Illinois
Grades taught: 5th
Fun activity
Rated 5 out of 5
December 14, 2025
Met expectations
Great value
Standards-aligned
I have A LOT of Mrs J's Math Mysteries. The students absolutely love them and it's great for independent work time.
Angela Sandgren
(TPT Seller)
448 reviews • Minnesota
Grades taught: 5th
Perfect Math Activity
Rated 5 out of 5
December 7, 2025
Met expectations
Great value
Standards-aligned
This was another quality resource by Mrs J. Always worth the money!
Novel Ideas
(TPT Seller)
435 reviews • Illinois
Grades taught: 5th
This is a great resource
Rated 5 out of 5
November 14, 2025
This is a great resource that I use with my fifth graders.
Kelly R.
398 reviews • North Carolina
Grades taught: 3rd, 4th, 5th

Questions & Answers

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Standards

to see state-specific standards (only available in the US).
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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