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Mrs J's Math Mysteries

Average Rating4.28
(based on 31 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! :)
New Year Math Mystery (GRADE 4)
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New Year Math Mystery (GRADE 4)

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This New Year Math Mystery – Case of The Millennium Bug (GRADE 4 US Common Core Aligned) - will engage and motivate your students to get back into their math work after the break! As the clock struck twelve into the new year last night, something catastrophic happened all over Mathhattan! Every single computer went berserk, dates flipping back prior to the year 2000 and errors constantly flashing that our current time zone does not exist. A hacker is clearly behind this fake Millennium Bug attack. This New Year a great detective is needed to help find who is behind this cybercrime! In this New Year Math Mystery, the Grade 4 Common Core skills covered are: - CLUE 1: Compare Units of Length (Customary and Metric Options provided) - CLUE 2: Subtracting LIKE Fractions (simplifying answers required) - CLUE 3: Addition (5-Digit Numbers with 5-digit numbers) - CLUE 4: Dividing 3-digit numbers by 1-digit numbers (no remainders) - CLUE 5: Multiplying 3-digit numbers by 1-digit numbers You will also receive instructions, the story, answer sheets, and optional awards in this New Year Math Mystery Pack. Thank you and all the best for the New Year! 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
Summer Math Mystery (GRADE 6)
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Summer Math Mystery (GRADE 6)

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Summer Math Mystery Activity – Case of The Mathhattan Meltdown (GRADE 6 US Common Core aligned). Your 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 Integers (positive and negative) Clue 2: Calculating the Mean Clue 3: Subtracting Decimals to the thousandths Clue 4: Mixed Word Problems (Add, Subtract, Multiply, Divide with decimals included in some questions/answers) - Customary and Metric language options provided in the wording of problems. Clue 5: Adding Decimals to the thousandths 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 Activity - GRADE 4
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Christmas Math Mystery Activity - GRADE 4

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Christmas Math Mystery – Case of The Selfish Elf (GRADE 4 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: Subtracting Fractions with Like Denominators (no reducing) Clue 2: Addition and Subtraction Algorithms (3 and 4-digit numbers) Clue 3: Convert Mixed Number Fractions to Improper Fractions Clue 4: Dividing Numbers Ending in Zeroes (Long division format. 3-Digit Numbers by 1-Digit Numbers. NO Remainders) Clue 5: Multiplying Numbers Ending in Zeroes (2 and 3-Digit numbers by 1-Digit numbers. Vertical Algorithm Format) 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. © 2015
Earth Day Math Mystery (GRADE 2)
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Earth Day Math Mystery (GRADE 2)

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Earth Day Math Mystery (Grade 2 US Common Core aligned) “Case of The Litterbug”. Your students will be engaged and motivated by this fun detective story, which also encourages critical thinking as they must reason their way through eliminating suspects. These NO PREP worksheets are common core aligned and are great for practice and revision. In this math mystery pack you will receive: - Teacher Instructions - The Math Mystery Story - Possible Suspect List - that students will use as they work through each math clue worksheet. - Clue 1: Addition Word Problems - Clue 2: Making 65 (fill in the missing number) - addition and subtraction - Clue 3: Balancing Subtraction Equations (1-digit and 2-digit numbers) - Clue 4 Worksheet: Properties of 2D & 3D Shapes (counting edges, vertices and faces - visuals provided) - Clue 5: Adding multiples of 10 and 100 - 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 and catch the litterbug! 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
Subtraction (GRADE 2)
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Subtraction (GRADE 2)

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Subtraction Math Mystery Activity – Case of The Dream Snatcher (GRADE 2 US Common Core Aligned) – your students will be practicing and reviewing subtraction skills (numbers within 1,000) to solve this nightmare of a mystery! No Prep required, this fun and engaging math activity will motivate your students during math class. The Dream Snatcher is stealing sweet dreams and using them to make horrible nightmares! The people of Mathhattan are counting on a brilliant math detective to discover where the Dream Snatcher is hiding, so that Tabitha the Witch can stop her and the nightmares! There are 5 clues to crack to solve the mystery: Clue 1: Subtraction within 20 Clue 2: Subtracting 1-digit numbers from 2-digit numbers (no regrouping) Clue 3: Subtraction Word Problems (within 20 only) Clue 4: Subtraction Input/Output Tables (within 100), Clue 5: Subtraction within 100 (Regrouping required in the second and third row of questions. Mix of 1-digit from 2-digit numbers, and 2-digit from 2-digit numbers. 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 Activity (GRADE 5) - Case of The Selfish Elf
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Christmas Math Mystery Activity (GRADE 5) - Case of The Selfish Elf

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Christmas Math Activity: Christmas Math Mystery – Case of The Selfish Elf (GRADE 5 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: Place Value with Decimals (tenths, hundredths, thousandths) Clue 2: Adding Decimals (tenths, hundredths) Clue 3: Multiplying Fractions (No simplifying required) Clue 4: Convert metric units of volume (ml, L) Clue 5: Dividing Numbers Ending in Zeroes by 1-digit numbers (no remainders) Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards. Great Christmas 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
St Patrick's Day Math Mystery Activity (GRADE 3 - US)
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St Patrick's Day Math Mystery Activity (GRADE 3 - US)

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St Patrick's Day Math, St Patrick’s Day Math Mystery (Grade 3) - NO PREP worksheets included are common core aligned and are great for practice and revision. Depending where your students are at in the curriculum it may also provide an excellent opportunity to teach something new! Engage and motivate your students to practice a variety of math skills with this fun St Patrick’s Day themed Math Mystery! Math Mystery: Case of the Misplaced Pot of Gold Leroy McClumsy, a leprechaun, is really sad because he cannot remember where he left his pot of gold in Mathhattan. St Patrick’s Day won’t be much fun for him if he doesn’t find it. A great math detective is needed to help solve the case for poor Mr McClumsy! In this math mystery pack you will receive: - Teacher Instructions - The Math Mystery Story: Case of The Misplaced Pot of Gold - Possible Places List - that students will use as they work through each math clue worksheet. - Clue 1 Worksheet: Complete the addition sentence (example: 5 + __?__ = 8) - Clue 2 Worksheet: Addition Pattern Tables (students apply a given rule to numbers in a table, for example: add 100.) - Clue 3 Worksheet: Perimeter measurement (available in both imperial and metric unit versions) - Clue 4 Worksheet: Ordering fractions (with the same denominator) - Clue 5 Worksheet: 3-Digit Subtraction (with regrouping included) - A student case solved 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 possible places list. - Printable awards to give to students who solve the case and find Leroy McClumsy’s pot of gold. *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.
Groundhog Day Math Mystery (GRADE 2)
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Groundhog Day Math Mystery (GRADE 2)

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Groundhog Day Math Mystery (Grade 2 US Common Core aligned) - NO PREP and common core aligned activity, great for practice and review. Depending where your students are at in the curriculum it may also provide an excellent opportunity to teach something new! Engage and motivate your students to practice a variety of math skills with this fun Groundhog Day themed Math Mystery! Trouble has struck Mathhattan! Chuck the Groundhog has been kidnapped! A great math detective is needed to solve the case and save Chuck. In this math mystery pack you will receive: - Teacher Instructions - The Math Mystery Story - Suspect List - that students will use as they work through each math clue worksheet. - Clue 1 Worksheet: Addition (within 20) - Clue 2 Worksheet: Convert 3-digit numbers from expanded form - Clue 3 Worksheet: Comparing Numbers (2-digit and 3-digit numbers) - Clue 4 Worksheet: 2-Digit Subtraction (with some regrouping) - Clue 5 Worksheet: Making 20 - Fill in the missing number to make the addition/subtraction sentence true - A student 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 and save Chuck the Groundhog! 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
Geometry (GRADE 4)
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Geometry (GRADE 4)

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eometry Math Mystery Activity - Case of The Giant Goblin {GRADE 4 US Common Core Aligned}. Engage and motivate your students during math time with this fun geometry activity! Students use their math skills to eliminate locations & possibilities so they can find out where the Shrinkinator is to make the Giant Goblin the right size again! There are 5 clues to crack to solve the mystery: - Clue 1: Identifying Lines, Angles and Shapes - Clue 2: Perimeter - Clue 3: Area of Rectangles and Squares (L X W) - Clue 4: Estimating Angle Measurements - Clue 5: Use Area and Perimeter to Determine Cost (Customary and Metric options provided in the download) Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards. Great Geometry 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. © 2016
Groundhog Day Math Mystery Activity (GRADE 4)
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Groundhog Day Math Mystery Activity (GRADE 4)

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Groundhog Day Math Mystery (Grade 4 US Common Core Aligned) - NO PREP and common core aligned activity, great for practice and review. Depending where your students are at in the curriculum it may also provide an excellent opportunity to teach something new! Engage and motivate your students to practice a variety of math skills with this fun Groundhog Day themed Math Mystery! Trouble has struck Mathhattan! Chuck the Groundhog has been kidnapped! A great math detective is needed to solve the case and save Chuck. In this math mystery pack you will receive: - Teacher Instructions - The Math Mystery Story - Suspect List - that students will use as they work through each math clue worksheet. - Clue 1 Worksheet: Multiplication Skills (1-Digit Numbers by 2-Digit Numbers) - Clue 2 Worksheet: Rounding Numbers (To the nearest 10, 100, 1000, 10000, 100000) - Clue 3 Worksheet: Comparing Fractions (With Like Denominators or like numerators) - Clue 4 Worksheet: 4-Digit Addition (Some with regrouping) - Clue 5 Worksheet: Dividing 2-digit numbers by 1-digit numbers - A student 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 and save Chuck the Groundhog! 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
Geometry (GRADE 5)
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Geometry (GRADE 5)

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Geometry Math Mystery - Case of The Giant Goblin {GRADE 5 US Common Core Aligned}. Engage and motivate your students during math time with this fun geometry activity! Students use their math skills to eliminate locations & possibilities so they can find out where the Shrinkinator is to make the Giant Goblin the right size again! There are 5 clues to crack to solve the mystery: Clue 1: Coordinates (One Quadrant) Clue 2: Area of Rectangles and Squares Clue 3: Volume (Cubic Units) Clue 4: Measuring Angles (Protractor Required) Clue 5: Volume of Rectangular Prisms (L X W X H) (Customary and Metric options provided) Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards. Great Geometry 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
Earth Day Math Mystery Activity - Case of the Litterbug (GRADE 3 Math Review and Challenge)
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Earth Day Math Mystery Activity - Case of the Litterbug (GRADE 3 Math Review and Challenge)

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Earth Day Math Mystery (Grade 3) “Case of The Litterbug”. Your students will be engaged and motivated by this fun detective story, which also encourages critical thinking as they must reason their way through eliminating suspects. These NO PREP worksheets are common core aligned and are great for practice and revision. In this math mystery pack you will receive: - Teacher Instructions - The Math Mystery Story - Possible Suspect List - that students will use as they work through each math clue worksheet. - Clue 1 Worksheet: Roman Numerals (Numbers between 1-50) - Clue 2 Worksheet: Estimating Sums – up to 1000 (Round to the nearest 10 and then add.) - Clue 3 Worksheet: Balancing Subtraction Equations (2-Digit and 3-Digit numbers) - Please note that this clue is quite challenging. If you need me to give you the easier option from Grade 2, please email me and I'll be happy to give you the Clue 3 sheet from Grade 2 for free. - Clue 4 Worksheet: Identifying 2D and 3D Shapes - Clue 5 Worksheet: Multiplication and Division (Facts between 1-12) - 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 and catch the litterbug! I hope your students enjoy. 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. Thanks! Mrs J. © 2015 *US spelling used - please contact me on jjresourcecreations@gmail.com if you would like this resource adjusted for UK/AUS spelling variations.
New Year Math Mystery (GRADE 2)
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New Year Math Mystery (GRADE 2)

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New Year Math Mystery – Case of The Millennium Bug (GRADE 2) - will engage and motivate your students to get back into their math work after the break! US Grade 2 Common Core Aligned. As the clock struck twelve into the new year last night, something catastrophic happened all over Mathhattan! Every single computer went berserk, dates flipping back prior to the year 2000 and errors constantly flashing that our current time zone does not exist. A hacker is clearly behind this fake Millennium Bug attack. This New Year a great detective is needed to help find who is behind this cyber crime! In this New Year Math Mystery, the Grade 2 Common Core skills covered are: - CLUE 1: Choose the Appropriate Length Unit (Estimate Lengths) Customary and Metric Options provided to choose from. - CLUE 2: Odd Numbers - CLUE 3: Addition (with some regrouping, mostly 2-digit numbers with the introduction of a few 3-digit numbers at the end) - CLUE 4: Adding Multiples of 10 and 100 - CLUE 5: Comparing numbers (1 - 3 digit numbers) You will also receive instructions, the story, answer sheets, and optional awards in this New Year Math Mystery Pack. Thank you and all the best for the New Year! 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
Subtraction
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Subtraction

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In this Subtraction Math Mystery Activity – Case of The Dream Snatcher (GRADE 3) – students will be practicing and reviewing subtraction skills (numbers within 1,000) to solve this nightmare of a mystery! No Prep required, US Common Core Aligned, this fun and engaging math activity will motivate your students during math class. The Dream Snatcher is stealing sweet dreams and using them to make horrible nightmares! The people of Mathhattan are counting on a brilliant math detective to discover where the Dream Snatcher is hiding, so that Tabitha the Witch can stop her and the nightmares! There are 5 clues to crack to solve the mystery: Clue 1: Subtracting 2-digit and 3-digit numbers (No Regrouping) Clue 2: Subtracting 2-digit and 3-digit numbers (With Regrouping) Clue 3: Subtraction Word Problems (2-digit and 3-digit Numbers) Clue 4: Subtraction Input/Output Tables Clue 5: Subtracting 3-digit numbers (Regrouping Required) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. ** US Spelling used - if you would like adjusted to UK/AUS spelling, please send an email to jjresourcecreations@gmail.com Mrs J. © 2016
Addition
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Addition

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Addition (GRADE 3 US Common Core Aligned) Math Mystery "Case of The Angry Adder!" Students must use their addition math skills to discover which item can be used to capture the Angry Adder! There are 5 clues to crack to solve the mystery: Clue 1: Horizontal Addition (Within 100) Clue 2: Adding 3 Numbers (2-digit and 1-digit numbers within 100) Clue 3: Addition Input/Output Tables (3-digit Numbers within 1,000) Clue 4: Addition Algorithms (3-digit and 2-digit numbers within 1,000. No Regrouping.) Clue 5: Addition Algorithms (3-digit and 2-digit numbers within 1,000. Regrouping required.) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great activity for addition review. Mrs J
Christmas Math Mystery: Case of The Zombie Elves (GRADE 4)
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Christmas Math Mystery: Case of The Zombie Elves (GRADE 4)

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Christmas Math Activity: Christmas Math Mystery – Case of The Zombie Elves (GRADE 4) – Engage and motivate your students during math time with this fun Christmas activity! Optional Video Hook available to use when introducing this activity. This can be viewed for free in the video tab below. A great math detective is needed to quickly solve which cure will heal the zombie elves of the virus! There are 5 clues to crack to solve the mystery: Clue 1: Subtracting Fractions with LIKE Denominators (no simplifying required) Clue 2: Addition (Horizontal)- 3-digit and 4-digit numbers (regrouping required) Clue 3: Convert Improper Fractions to Mixed Numbers Clue 4: Dividing numbers ending in zeroes by 1-digit numbers (no remainders) Clue 5: Multiplying numbers ending in zeroes by 1-digit numbers Pack also includes a suspect declaration sheet, answer sheets, elimination guide and awards. Great Christmas math activity.
Rounding Math Mystery: Case of The Robot Robbery (GRADE 4)
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Rounding Math Mystery: Case of The Robot Robbery (GRADE 4)

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This rounding math mystery will engage and motivate your students! Students will be practicing rounding multi-digit whole numbers to the nearest ten, hundred, thousand, ten thousand, hundred thousand and million to solve the Case of the Robot Robbery. Optional Video Hook available to use when introducing this activity. If you click on the preview, you can view it for free. There are 5 clues to crack to solve which robot is guilty: Clue 1: Rounding to the nearest ten and hundred Clue 2: Rounding to the nearest thousand and ten thousand Clue 3: Rounding with larger numbers (mix between ten to million) Clue 4: Rounding to the nearest hundred thousand & million Clue 5: MORE Rounding! Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards.
Rounding Math Mystery: Case of The Robot Robbery (GRADE 5)
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Rounding Math Mystery: Case of The Robot Robbery (GRADE 5)

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This rounding math mystery will engage and motivate your students! Students will be practicing and reviewing rounding whole numbers and decimals (to the nearest whole, tenth, hundredth), to solve the Case of the Robot Robbery. Optional Video Hook available to use when introducing this activity. If you click on the preview, you can view it for free. There are 5 clues to crack to solve which robot is guilty: Clue 1: Rounding whole numbers (nearest ten, hundred, thousand, ten thousand) Clue 2: Rounding Decimals to the nearest Whole Number Clue 3: Rounding Decimals to the nearest Tenth Clue 4: Rounding Decimals to the nearest Hundredth Clue 5: MORE Rounding! (A mix of decimal numbers that will need to be rounded to the nearest – ten, tenth, whole, hundredth) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards.
Measurement Math Mystery (GRADE 4)
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Measurement Math Mystery (GRADE 4)

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This measurement math mystery will engage and motivate your students! Students will be covering a variety of measurement skills to solve the Case of the Mirror Madness. Both US Customary and Metric Options provided for you to choose from in the download. There are 5 clues to crack to solve the mystery: Clue 1: Comparing Weight (being able to convert between different units required) Clue 2: Comparing Length (being able to convert between different units required) Clue 3: Convert Time Units Clue 4: Area of Rectangles/Squares (L x W) Clue 5: Comparing Volume (being able to convert between different units required) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards.
Rounding  Math Mystery: Case of The Robot Robbery (GRADE 3)
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Rounding Math Mystery: Case of The Robot Robbery (GRADE 3)

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This rounding math mystery will engage and motivate your students! Students will be practicing and reviewing rounding whole numbers to the nearest ten and hundred to solve the Case of the Robot Robbery. (Grade 3 Common Core) Optional Video Hook available to use when introducing this activity. This can be viewed for free in the video tab below. There are 5 clues to crack to solve which robot is guilty: Clue 1: Rounding to the nearest ten Clue 2: Rounding to the nearest hundred Clue 3: Rounding to the nearest ten and hundred Clue 4: MORE Rounding (nearest ten and hundred only) Clue 5: Rounding with larger numbers (nearest ten and hundred) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards.