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Mrs J's Math Mysteries

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(based on 29 reviews)

Find fun and engaging math mysteries and projects to get your students motivated during math time. Great for practice and review, my math mysteries come in different grade levels that can be used to customize for differentiation. The grade levels are US Common Core aligned, check out the description which outlines skills and levels involved within that math mystery version to determine whether it suits your class level and/or curriculum. Enjoy! :)

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Find fun and engaging math mysteries and projects to get your students motivated during math time. Great for practice and review, my math mysteries come in different grade levels that can be used to customize for differentiation. The grade levels are US Common Core aligned, check out the description which outlines skills and levels involved within that math mystery version to determine whether it suits your class level and/or curriculum. Enjoy! :)
Decimals to Fractions
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Decimals to Fractions

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Decimals to Fractions worksheet - Students will need to convert the decimals to fractions to find out which character is hiding the donut! See if they can get the character correct by using their math skills to eliminate the suspect pictures. Answer sheet included! Thanks! Mrs J. Email: JJResourceCreations@gmail.com Check out my store to find engaging math mysteries and projects!
Halloween Math Mystery Activity
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Halloween Math Mystery Activity

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Halloween Math Mystery Activity - Case of The Tricking Treat GRADE 3 US Common Core Aligned. Engage and motivate your students during math time with this fun Halloween activity! Students must use their math skills to eliminate suspects so they can find out who has been giving out the tricking treat to children this Halloween! There are 5 clues to crack to solve the mystery: Clue 1: Multiplying by 2s and 5s Clue 2: Rounding to the nearest 10 and 100 Clue 3: Addition algorithms with 1-digit and 2-digit numbers only. (No regrouping). Clue 4: Area measured in unit squares Clue 5: Multiply by 3s and 10s Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards. Great Halloween math activity. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2015
Easter Math Mystery (GRADE 6)
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Easter Math Mystery (GRADE 6)

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Easter Math Mystery (GRADE 6 US Common Core Aligned). In this NO PREP and engaging Easter activity, students will need to use their math skills to solve the mystery "Case of the Rotten Eggs!" There are 5 clues to crack to solve the mystery: Clue 1: Converting Decimals to Fractions Clue 2: Multiplying Integers Clue 3: Least Common Multiple Clue 4: Solve One-Step Equations (with fractions and decimals involved) Clue 5: Calculating the Mean (Answers are either whole, or decimals to the tenths) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great Easter activity! Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2016
Halloween Math Mystery (GRADE 8)
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Halloween Math Mystery (GRADE 8)

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Halloween math mystery activity "Case of The Tricking Treat" is Common Core aligned to GRADE 8. Engage and motivate your students during math time with this fun Halloween detective story. Optional Video Hook is available to use when introducing this activity. View the video for free in the video tab below. Students must use their math skills to eliminate suspects so they can find out who has been giving out the tricking treat to children this Halloween! There are 5 clues to crack to solve the mystery: Clue 1: Multiplying & Dividing Integers Clue 2: Percents of Numbers (some answers involve decimals) Clue 3: Convert Decimals to Fractions (tenths, hundredths, thousandths) Clue 4: Evaluate Exponents Clue 5: Finding the Square Root of Perfect Squares Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards.
Addition (GRADE 2)
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Addition (GRADE 2)

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Addition Math Mystery Activity - "Case of The Angry Adder!" Students must use their addition math skills to solve the case of the Angry Adder! There are 5 clues to crack to solve the mystery: Clue 1: Horizontal Addition (Within 20) Clue 2: Adding Doubles (Few challenger questions at the end) Clue 3: Addition Input/Output Tables (apply the rule given) Clue 4: Addition Algorithms (Within 100 - No Regrouping) Clue 5: Addition Algorithms (Within 100 - With Regrouping) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2016 2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers. 2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Easter Math Mystery Activity
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Easter Math Mystery Activity

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In this Easter NO PREP activity students must solve math clues to help them find where the terrible Slimewort is hiding to stop him making the Easter eggs rotten! Engage and motivate your students to practice a variety of math skills with this fun Mystery! (GRADE 3 US Common Core Aligned Version) There are 5 clues to crack to solve the mystery: Clue 1: What is the value of the underlined digit? (3-Digit Numbers) Clue 2: Multiplication by Multiples of 10 Clue 3: Match Fractions to Visual Models (No reducing to the lowest terms required). Clue 4: Balancing Addition Equations (3-digit Numbers) Clue 5: Convert From Expanded Form ( 3 and 4-digit numbers) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great Easter Activity! *US spelling used - please contact me on jjresourcecreations@gmail.com if you would like this resource adjusted for UK/AUS spelling variations. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. Mrs J. © 2016
Multiplication Math Mystery (GRADE 6)
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Multiplication Math Mystery (GRADE 6)

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Multiplication Math Mystery. Engage and motivate your students to review their multiplication skills with this fun math mystery activity. This level covers multiplying with whole numbers, decimals, fractions and mixed numbers. Students must use their multiplication skills to eliminate monster suspects to solve who needs to be arrested for the scare crimes in Mathhattan! Optional Video Hook is available to use when introducing this activity. View the video for free in the video tab below. There are 5 clues to crack to solve the mystery: Clue 1: Multiply Whole Numbers (2-digit, 3-digit and 4-digit numbers mixed) Clue 2: Multiplying Fractions by Fractions Clue 3: Multiplying Decimals by Decimals Clue 4: Multiplication Word Problems (with decimals and whole numbers) Clue 5: Multiplying Mixed Numbers Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great for Multiplication review!
Summer Math (GRADE 2)
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Summer Math (GRADE 2)

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In this Summer Math Mystery Activity – Case of The Mathhattan Meltdown (GRADE 2 US Common Core Aligned) – students will find themselves trapped by the Scorcher who has been melting the city of Mathhattan this summer. In order to save themselves and to stop the melting issue in the city, they will be required to use their math skills to solve the mystery behind his condition and the cure he needs to restore to human! Engage and motivate your students during math time with this fun summer math mystery! There are 5 clues to crack to solve the mystery: Clue 1: Ordering Numbers (3-digit numbers) Clue 2: Area of Squares and Rectangles (Square unit tiles) Clue 3: Subtraction (2-Digit Numbers, Regrouping Required) Clue 4: Addition and Subtraction Word Problems Clue 5: Addition (2-Digit Numbers, Regrouping Required) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2016
Time (GRADE 2)
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Time (GRADE 2)

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Time Math Mystery - "Case of The Time Traveling Troll." Get your students excited about practicing time skills with this fun math mystery activity! A great detective is needed to help Gimpy and the Police put a stop to the time traveling troll! ***US Grade 2 Common Core Aligned. Skills Addressed: - Clue 1: Match Digital Clocks & Written Times - Clue 2: O'Clock & Half Past (Analog) - Clue 3: Quarter Past & Quarter To (Analog) - Clue 4: Time Patterns - Clue 5: Reading and Writing Times (O'clock, half past, quarter past and quarter to) Instructions, Story, Answer Sheets, Elimination Guide, and Awards are also included. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2016
Thanksgiving Math Mystery - Case of The Gobbler's Curse GRADE 3
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Thanksgiving Math Mystery - Case of The Gobbler's Curse GRADE 3

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This Thanksgiving Math Mystery "Case of the Gobbler's Curse" is a fun way to engage your students. In this math detective story people have all started to lose the power of speech and cannot stop making "gobble, gobble" noises! Students must solve the worksheets to reveal clues as to which potion will cure those under the Gobbler's Curse. COMMON CORE ALIGNED GRADE 3 Make your day a little easier and try one of our math mysteries, your students will love them! GRADE 3 SKILLS ADDRESSED - Multiplying by 3s and 4s - Match Fractions to Models (No simplifying required) - Subtraction Algorithms with 2-Digit and 1-Digit Numbers only (No regrouping required). - Elapsed Time in minutes (answers are 60 minutes or less than) - Multiplying by 7s and 8s All of our Thanksgiving Math Mysteries are available in Grades 2-6, contact me on jjresourcecreations@gmail.com to find a level that suits you! Thanks! Mrs J Happy thanksgiving! *US Spelling used. Please email me on jjresourcecreations@gmail.com if you need spelling adjustments for UK/AUS variations.
Place Value
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Place Value

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This Place Value Math Mystery (Grade 3) “Case of The Puzzled Pirate”. In this math mystery, students must solve a variety of place value math questions to reveal clues to help the puzzled pirate find the treasure! US Common Core Aligned to GRADE 3. There are 5 Clues to Crack to solve the mystery: Clue 1: Converting from Expanded Form Clue 2: Value of the Underlined Digit Clue 3: Comparing Numbers (Circle the greater number) Clue 4: Ordering Numbers (ascending order) Clue 5: Rounding Numbers to the nearest 10 and 100. (Please note that all of the numbers in the questions of this version are less than 1,000.) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. *US Spelling used. If you would like spelling adjusted to suit UK/AUS please email me on jjresourcecreations@gmail.com Mrs J. © 2016
Geometry (Shapes, Area and Perimeter)
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Geometry (Shapes, Area and Perimeter)

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Students must use their geometry math skills to eliminate locations & possibilities so they can find out where the Shrinkinator is to make the Giant Goblin the right size again! US Common Core Aligned GRADE 3. There are 5 clues to crack to solve the mystery: - Clue 1: Identifying 2D & 3D Shapes - Clue 2: Perimeter - Clue 3: Area (Using Unit Squares) - Clue 4: Area of Rectangles (L x W) - Clue 5: Perimeter - Find The Missing Length (Customary and Metric options provided) Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards. Great Geometry math activity. *US Spelling used. Please email me on jjresourcecreations@gmail.com if you would like me to adjust to UK/AUS spelling variations. This Geometry Math Mystery is available for Grades 3-6. Mrs J. © 2015
End of Year Math Mystery (GRADE 4)
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End of Year Math Mystery (GRADE 4)

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End of Year Math Activity: End of Year Math Mystery – Case of The Graduation Gremlins (GRADE 4 US Common Core Aligned) – Engage and motivate your students during math time with this fun End of Year activity! Students have to use their math skills to eliminate places so they can find out where the Graduation Gremlins are hiding! There are 5 clues to crack to solve the mystery: Clue 1: Multiplication (Facts 1-12 Revision) Clue 2: Area – Find the missing side length (options provided for both imperial and metric units of measurement) Clue 3: Reducing Fractions to Lowest Terms (Fractions with denominators of 10, 100, and 1000) Clue 4: Dividing 3-digit numbers by 1-digit numbers (interpret remainders) Clue 5: Addition Standard Algorithms (With mainly 4-digit numbers) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great End of Year math activity. T*US spelling used - please contact me on jjresourcecreations@gmail.com if you would like this resource adjusted for UK/AUS spelling variations. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. Mrs J. © 2016
Winter Math Mystery (GRADE 4)
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Winter Math Mystery (GRADE 4)

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This winter math mystery activity will motivate your students to solve the clues to put a stop to the rising Snowman Army! Each clue targets a different math skill for practice and review. There are 5 Clues to Solve: Clue 1: Multiply Numbers Ending in Zeroes (2-digit numbers by 2-digit numbers, both ending in zeroes) Clue 2: Convert Time Units Clue 3: Equivalent Fractions (Fill in the missing numerator to make a pair of fractions equivalent) Clue 4: Rounding (Hundreds, Thousands, Ten Thousands, Hundred Thousands) Clue 5: Continuing Patterns Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2015
Division
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Division

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Division Math Mystery Activity – Case of The Divided Dragons (GRADE 3). Your students will be practicing and reviewing division skills to solve which dragon is responsible for the breaking up of the Dragon Alliance! No Prep required, this fun and engaging math activity will motivate your students during math class. There are 5 clues to crack to solve the mystery: Clue 1: Division (With Visual Models provided) Clue 2: Dividing by 2s, 3s, 4s and 5s Clue 3: Dividing by 6s, 7s, 8s and 9s Clue 4: Division Word Problems (Facts: 1-12 + bonus challenge question at the end) Clue 5: Dividing by 10s, 11s and 12s Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2016
Christmas Math Mystery (GRADE 2)
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Christmas Math Mystery (GRADE 2)

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Christmas Math Mystery – Case of The Selfish Elf (GRADE 2 US Common Core aligned). Engage and motivate your students during math time with this fun Christmas activity! Students have to use their math skills to eliminate suspects so they can find out who the Selfish Elf is! There are 5 clues to crack to solve the mystery: Clue 1: Skip-Counting Sequences (2s, 5s, 10s) Clue 2: Place Value of the Underlined Digit (Hundreds, Tens, Ones) Clue 3: Add 3 One-Digit Numbers Clue 4: Subtracting One-Digit Numbers from Two-Digit Numbers (without regrouping) Clue 5: Time (O'Clock, Half Past, Quarter Past, Quarter To) Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards. Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2016
Fall Math Mystery (GRADE 3)
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Fall Math Mystery (GRADE 3)

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Fall Math Activity, This Fall Math Mystery (Grade 3) “Case of The Furious Fall Winds” is a math mystery where students must solve a variety of math clues to help catch the criminal vandalizing the home of Sheldon, The Shaman of Seasons! Engage and motivate your students in this fun detective story, which also encourages critical thinking as they must reason their way through eliminating suspects. Perfect as a common core aligned math center or individual work, These NO PREP worksheets are great for individual or group practice and review. *US Common Core Aligned Grade 3 This fall, Mathhattan has been experiencing some furious winds. But these winds are no ordinary winds; if anyone is pulling a face while the wind blows over them, it will stay that way! A great math detective is needed to calm Sheldon the Shaman down by finding out who is trying to blackmail him into changing the season back to summer! In this math mystery pack you will receive: - Teacher Instructions - The Math Mystery Story: Case of The Furious Fall Winds - Possible Suspects List - that students will use as they work through each math clue worksheet. - Clue 1 Worksheet: Convert from expanded form (thousands, hundreds, tens and ones) - Clue 2 Worksheet: Multiplying by 2s, 5s, and 10s - Clue 3 Worksheet: Addition (with regrouping) - Clue 4 Worksheet: Dividing by 2 - Clue 5 Worksheet: Complete the Addition/Subtraction Sentence (fill in the missing number) - A suspect declaration sheet that includes a clue completion checklist and a teacher check off as solved/try again. - Answer sheets for each clue plus a color coded guide to the elimination process of the suspect list. - Printable awards to give to students who solve the case! I hope your students enjoy this fall math activity. Please do not hesitate to email me on JJResourceCreations@gmail.com or use my store Q & A if you need help or have any questions when using this resource. *US spelling used - please contact me on jjresourcecreations@gmail.com if you would like this resource adjusted for UK/AUS spelling variations. Thanks! Mrs J.
Christmas Math Mystery Activity - Case of The Selfish Elf (GRADE 3)
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Christmas Math Mystery Activity - Case of The Selfish Elf (GRADE 3)

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Christmas Math Activity: Christmas Math Mystery – Case of The Selfish Elf – Engage and motivate your students during math time with this fun activity! US Common Core Aligned Grade 3. Students have to use their math skills to eliminate suspects so they can find out who the Selfish Elf is! There are 5 clues to crack to solve the mystery: Clue 1: Multiplying by 6s and 9s Clue 2: Addition with 2-digit and 3-digit numbers (with regrouping) Clue 3: Multiplying by 11s and 12s Clue 4: Division relative to Multiplication Clue 5: Subtraction with 2-digit numbers (with regrouping) Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards. Great Christmas math activity. *US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling. Mrs J. © 2016
Math Mystery - Case of The Super Bad Superhero (GRADE 5)
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Math Mystery - Case of The Super Bad Superhero (GRADE 5)

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This math mystery, “Case of the Super Bad Superhero,” is a great way to add some excitement and fun to your math lessons! Students will be working through a variety of math questions to discover important clues. The clues will help them solve which superhero has gone bad! In this Grade 5 version, the 5 clues cover the following skills: - Clue 1: Covert Decimals from Expanded Form (using fractions) - Clue 2: Adding Decimals (wholes & tenths) - Clue 3: Subtracting Decimals (wholes & tenths) - Clue 4: Multiply Numbers Ending in Zeroes - Clue 5: Dividing Numbers Ending in Zeroes Pack also provides teacher instructions, the story, answer sheets, an elimination guide and printable awards. MIX & MATCH ACROSS GRADE LEVELS TO DIFFERENTIATE/CUSTOMIZE You can choose a grade level that suits your class best, and/or mix and match across the same clue numbers (except for the Grade 1 Version) to differentiate and customize the math mystery for your students. The Grade 1 version is simplified as a whole and cannot be mixed with the rest. (For example, swap clue 1 from the Grade 2 version to clue 1 from the Grade 3 version to make that part more challenging for some students.)
Math Mystery - Case of The Super Bad Superhero (GRADE 2)
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Math Mystery - Case of The Super Bad Superhero (GRADE 2)

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This math mystery, “Case of the Super Bad Superhero,” is a great way to add some excitement and fun to your math lessons! Students will be working through a variety of math questions to discover important clues. The clues will help them solve which superhero has gone bad! In this Grade 2 version, the 5 clues cover the following skills: - Clue 1: Place Value Models (Tens and Ones) - Clue 2: Addition (1-digit and 2-digit numbers) - Clue 3: Subtraction (1 - digit and 2-digit numbers – No Regrouping) - Clue 4: Skip-Counting - Clue 5: Missing Numbers (Addition Sentences) Pack also provides teacher instructions, the story, answer sheets, an elimination guide and printable awards. MIX & MATCH ACROSS GRADE LEVELS TO DIFFERENTIATE/CUSTOMIZE You can choose a grade level that suits your class best, and/or mix and match across the same clue numbers (except for the Grade 1 Version) to differentiate and customize the math mystery for your students. The Grade 1 version is simplified as a whole and cannot be mixed with the rest. (For example, swap clue 1 from the Grade 2 version to clue 1 from the Grade 3 version to make that part more challenging for some students.)