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Mrs J's Math Mysteries

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(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! :)
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.
Back to School Math Mystery (GRADE 5)
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Back to School Math Mystery (GRADE 5)

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Back to School Math Mystery - Case of The School Invaders {GRADE 5 US Common Core Aligned} Students must review math skills from the previous grade to help get rid of the stinky slimy Geometron aliens invading Mathhattan Elementary School! There are 5 clues to crack to solve the mystery: Clue 1: Division Facts (1-12 Random mix) Clue 2: Reducing Fractions to Lowest Terms Clue 3: Multiplication Facts (Random mix between 2-12) Clue 4: Ordering Decimals (Tenths and Hundredths) Clue 5: Prime and Composite Numbers Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great Back to School 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
New Year Math Mystery Activity
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New Year Math Mystery Activity

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New Year Math: This Math Mystery – Case of The Millennium Bug (GRADE 3 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 3 Common Core skills covered are: - CLUE 1: Multiplication Word Problems - CLUE 2: Mixed Multiplication Facts (Between 1-12) - CLUE 3: Addition (3-Digit Numbers, some with regrouping) - CLUE 4: Dividing by 2 - CLUE 5: Perimeter (Customary and Metric Options Provided) 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! *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
Back to School Math Mystery (GRADE 4)
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Back to School Math Mystery (GRADE 4)

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Back to School Math Mystery - Case of The School Invaders {GRADE 4 US Common Core aligned} Students must review math skills from the previous grade to help get rid of the stinky slimy Geometron aliens invading Mathhattan Elementary School! There are 5 clues to crack to solve the mystery: Clue 1: Rounding (To the nearest 10 or 100) Clue 2: Place Value of the Underlined Digit (Ones, Tens, Hundreds, Thousands) Clue 3: Multiplication Facts (Random mix between 2-12) Clue 4: Addition Algorithms (2-Digit and 3-Digit Numbers) Clue 5: Identify 2-D and 3-D Shapes Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great Back to School 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
Back to School Math Mystery (GRADE 2)
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Back to School Math Mystery (GRADE 2)

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Back to School Math Mystery Activity - Case of The School Invaders {GRADE 2}. US Grade 2 Common Core Aligned . Engage and motivate your students get back into math with this fun activity! Students must review math skills from the previous grade to help get rid of the stinky slimy Geometron aliens invading Mathhattan Elementary School! There are 5 clues to crack to solve the mystery: Clue 1: Adding 1 (Numbers 1-12) Clue 2: Subtracting 1, 2, and 3 (From Numbers 1-15) Clue 3: Comparing Numbers (Circle the greater number out of the two given. This starts off with low numbers and ends with a few larger numbers.) Clue 4: Ordering Numbers (Numbers 1 - 25) Clue 5: Adding Doubles Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great Back to School 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
Thanksgiving Math Mystery (GRADE 4)
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Thanksgiving Math Mystery (GRADE 4)

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Thanksgiving Math "Case of the Gobbler's Curse" (GRADE 4 US Common Core Aligned); 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 get clues as to which potion will return the power of speech in Mathhattan. Instructions and answer keys are all provided. So make your day a little easier and try one of our math mysteries, your students will love them! There are 5 clues to crack to solve the mystery. SKILLS ADDRESSED in each clue: - Dividing 2-digit numbers by 1-digit numbers (interpret remainders) - Adding Fractions with Like Denominators (Answers must be written as a mixed fraction if possible) - Multiplying 2-digit numbers by 1-digit numbers. - Elapsed Time in minutes - Reducing Fractions 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
Fractions (GRADE 6)
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Fractions (GRADE 6)

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Fractions Math Mystery "Case of The Forgetful Pharaoh" - GRADE 6 US Common Core Aligned. Engage and motivate your students with this fun fractions math mystery activity! Great for review of a few different fraction skills in one. Students use their fraction math skills to discover where the Forgetful Pharaoh left his Scepter in Ancient Egypt! There are 5 clues to crack to solve the mystery: Clue 1 Worksheet: Reciprocals Clue 2 Worksheet: Divide Fractions and Whole Numbers Clue 3 Worksheet: Multiplying Fractions and Mixed Numbers Clue 4 Worksheet: Adding and Subtracting Mixed Number Fractions with unlike denominators (simplifying answers required) Clue 5 Worksheet: Divide Fractions and Mixed Numbers (Simplifying required) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great activity for fractions review. 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 Activity (GRADE 5)
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Easter Math Mystery Activity (GRADE 5)

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Easter Math Mystery – Case of The Rotten Eggs {GRADE 5 US Common Core Aligned)}– Engage and motivate your students during math time with this fun Easter activity! Students use their math skills to discover where the terrible Slimewort is hiding and put a stop to him making all of the Easter eggs rotten! There are 5 clues to crack to solve the mystery: Clue 1: What is the value of the underlined digit? (5-7 Digit Numbers) Clue 2: Multiply numbers ending in zeroes (2-4 Digit Numbers) Clue 3: Converting Mixed Number Fractions to Improper Fractions Clue 4: Solve Equations (with positive integers only) Clue 5: Solving with Parenthesis (mixture of addition, subtraction, multiplication and division used throughout). 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. © 2015
Multiplication (GRADE 5)
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Multiplication (GRADE 5)

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Multiplication Math Mystery (GRADE 5 US Common Core Aligned) "Case of The Monster Mix-Up!" Engage and motivate your students to review their multiplication skills with this fun math mystery activity. Students must use their multiplication skills to eliminate monster suspects to solve who needs to be arrested for the scare crimes in Mathhattan! There are 5 clues to crack to solve the mystery: Clue 1: Multiply 2-digit Numbers by 2-digit numbers Clue 2: Multiplying Decimals by Powers of Ten Clue 3: Multiplying Fractions by Whole Numbers (simplifying required) Clue 4: Multiplication Word Problems (1-3 digit numbers involved) Clue 5: Multiplying Decimals by Decimals (all less than 1, and tenths place value only in the questions e.g. 0.1 X 0.2) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great for Multiplication review! 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
Multiplication (GRADE 4)
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Multiplication (GRADE 4)

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Engage and motivate your students to review their multiplication skills with this fun math mystery activity. (GRADE 4 US Common Core aligned version) Students must use their multiplication skills to eliminate monster suspects to solve who needs to be arrested for the scare crimes in Mathhattan! There are 5 clues to crack to solve the mystery: Clue 1: Mixed Multiplication Facts (1-12) Clue 2: Multiplying 2-digit numbers by 1-digit numbers Clue 3: Multiply numbers ending in zeroes Clue 4: Multiplication Word Problems (with a mix of 1-digit to 3-digit numbers. Any 3-digit number will only be required to be multiplied by 1-digit number. Some 2-digit numbers by 2-digit numbers required.) - Clue 5: Multiplying with larger numbers (a mix of 3-digit by 1-digit numbers, 2-digit by 2-digit numbers, 4-digit by 1-digit numbers) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great for Multiplication review! 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
Place Value (GRADE 4)
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Place Value (GRADE 4)

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In this Place Value Math Mystery Puzzle Activity - “Case of The Puzzled Pirate,” students must solve a variety of place value math questions to reveal clues to help the puzzled pirate find the treasure! Great for place value review! (GRADE 4 US Common Core Aligned) Captain Penguin Pete has reluctantly admitted that he is having some difficulty in reading the map! Students will be using their math skills to eliminate locations off the map to find the treasure! There are 5 Clues to Crack: Clue 1: Word Names for Numbers Clue 2: Value of the Underlined Digit Clue 3: Comparing Numbers (Circle the greater number) Clue 4: Converting between Place Values Clue 5: Rounding Numbers up to 1,000,000. (Please note that the numbers in this version are large, ranging between 1 to over 1,000,000.) 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
Halloween Math Mystery (GRADE 5)
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Halloween Math Mystery (GRADE 5)

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Halloween Math Mystery Activity - Case of The Tricking Treat (GRADE 5 US Common Core Aligned). Engage and motivate your students during math time with this fun Halloween activity! Students 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 Numbers Ending in Zeroes Clue 2: Reading Decimals Expressed in Words (tenths, hundredths and thousandths) Clue 3: Multiplying 2-Digit and 3-Digit Whole Numbers by 1-Digit Whole Numbers Clue 4: Equivalent Fractions Clue 5: Adding and Subtracting Fractions with LIKE Denominators only (simplifying answers required). 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
Halloween Math Mystery (GRADE 2)
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Halloween Math Mystery (GRADE 2)

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Halloween Math Mystery Activity - Case of The Tricking Treat GRADE 2. Engage and motivate your students during math time with this fun Halloween activity! *US Grade 2 Common Core Aligned. Students 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: Addition (Within 20) Clue 2: Subtraction (Within 20) Clue 3: Time (O'Clock and Half-Past). Clue 4: Ordering Numbers from smallest to largest (the numbers go up by 5's, up to 130) Clue 5: Place Value of the Underlined Digits (Tens and Ones only) 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. © 2016
End of Year Math Mystery Activity (GRADE 5)
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End of Year Math Mystery Activity (GRADE 5)

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This end of year math mystery activity is a great puzzle for reviewing a variety of math skills at the end of the year. Students must use their math skills to eliminate places to find where the Gremlins are hiding with all of the graduation items! (GRADE 5 Common Core Aligned) There are 5 clues to crack to solve the mystery: Clue 1: Square Numbers Clue 2: Volume of Rectangular Prisms applying the formula V= L x W x H (options provided for both imperial and metric units of measurement) Clue 3: Reducing Fractions to Lowest Terms Clue 4: Coordinates A-K and positive numbers 1-10 Clue 5: Adding Decimals (Tenths and Hundredths) 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
Fractions (GRADE 5)
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Fractions (GRADE 5)

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Fractions Math Mystery Activity "Case of The Forgetful Pharaoh" (GRADE 5 US Common Core Aligned). Students must use their fraction math skills to discover where the Forgetful Pharaoh left his Scepter in Ancient Egypt! They will be required to apply a variety of fraction skills over the 5 clues. There are 5 clues to crack to solve the mystery: Clue 1: Converting Improper Fractions to Mixed Numbers (Simplifying answers required) Clue 2: Multiplying fractions by whole numbers (simplifying required + writing answers as a mixed number required) Clue 3: Equivalent Fractions (Write the missing numerator/denominator) Clue 4: Adding and Subtracting Fractions with unlike denominators (simplifying answers required) Clue 5: Multiplying Fractions by Fractions Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great activity for fractions review. 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
Groundhog Day Math Mystery Activity (GRADE 3 US)
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Groundhog Day Math Mystery Activity (GRADE 3 US)

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Groundhog Day Math Mystery (GRADE 3 US Common Core Aligned) worksheets are common core aligned and are great for practice and review. Students must solve clues to save Chuck the groundhog! 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 during Math! 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 (Facts 1-12) - Clue 2 Worksheet: Rounding Numbers (To the nearest 10 or 100) - Clue 3 Worksheet: Comparing Fractions (With Like Denominators) - Clue 4 Worksheet: 3-Digit Addition (Some with regrouping)' - Clue 5 Worksheet: Missing Factors (Facts 1-12) - 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! *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.
Back to School Math (GRADE 6)
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Back to School Math (GRADE 6)

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In this Back to School Math Mystery "Case of The School Invaders" {GRADE 6 US Common Core Aligned}, is a fun way to get into math during the back to school season. Students must review math skills from the previous grade to help get rid of the stinky slimy Geometron aliens invading Mathhattan Elementary School! There are 5 clues to crack to solve the mystery: Clue 1: Order of Operations (Addition, Subtraction, Multiplication, Division) Clue 2: Coordinates Graph (Whole positive numbers only) Clue 3: Multiplying Numbers Ending in Zeroes Clue 4: Adding and Subtracting Decimals (tenths, hundredths) Clue 5: Comparing Fractions (Unlike Denominators and numerators) Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards. Great Back to School 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 (GRADE 2)
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Easter Math (GRADE 2)

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Easter Math Mystery Activity "Case of The Rotten Eggs." In this 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! In this math mystery pack you will receive: - Teacher Instructions - The Math Mystery Story - Possible Hideout List - that students will use as they work through each math clue worksheet. - Clue 1: Time (o'clock, half-past, quarter-past, quarter-to) - Clue 2: Making 50 (addition and subtraction) Fill in the missing number - Clue 3: Fractions (write the fraction to show the shaded area) - Clue 4: Balancing addition equations (1-digit and 2-digit numbers) - Clue 5: Adding four 1-digit numbers 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