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Worksheet
Curated OER

Mystery Numbers- Enrichment Worksheet

For Students 1st
In this mystery numbers activity, 1st graders fill in a square in each of 8 equations. They solve an addition problem and its inverse subtraction problem before writing the number on the blank line. They make up their own problems in the...
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Lesson Plan
Curated OER

Mystery Jars

For Teachers K - 4th
Youngsters discover ways to estimate. They will use two jars with large and small items and estimate the number of items. Then record their estimate and explain why they answered the way they did. They try this experiment with different...
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Lesson Plan
Curated OER

Is There Mystery in Measurement?

For Teachers 3rd - 6th
Investigate perimeter and area of polygons! In this measurement lesson, learners use index cards to create rectangles and trace their hand to estimate its area and perimeter.
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Worksheet
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Curated OER

Valentine's Day Chocolates Mystery- Sums to 198 (D)

For Students 2nd - 3rd
You can find love anywhere, even in a math worksheet! Second graders solve 27 problems in which they add 2 digit numbers to 2 digit numbers with and without carrying. When they are finished, they use their answers to solve a riddle.
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Lesson Plan
Curated OER

Mystery Number

For Teachers 1st - 2nd
Young scholars explore numbers 1-100.  In this cross curriculum literacy and numeration lesson, students listen to the book More or Less by Stuart J. Murphy. Young scholars play a game with a partner in which they guess the "mystery...
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Worksheet
Curated OER

You've Got My Number challenge

For Students 2nd - 3rd
In this finding the number word problem worksheet, students use the clues one more is and ten more is to discover the mystery number. Students solve eight problems.
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Worksheet
Curated OER

Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
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Worksheet
World Wildlife Fund

Arctic Take 6

For Students 3rd - 5th Standards
The magic number is six! Using a 6x table, young math stars practice adding, subtracting, multiplying, and dividing two-digit numbers with the number six. This worksheet also touches on making tessellations with hexagons. 
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Activity
101 Questions

Scrambler

For Students 9th - 12th Standards
Unscramble a carnival mystery! Scholars observe a video of an overhead view of a carnival ride, The Scrambler. They then must determine mathematically where a specific car will stop after a certain amount of time.
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Lesson Plan
Curated OER

Math Maven Fractions

For Teachers 3rd - 5th
Students solve fraction mysteries.  For this fractions lesson, students read Math Maven's Mysteries and use problem-solving and critical thinking skills to solve the mysteries. 
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Lesson Plan
Curated OER

Morning Message-Mystery Code

For Teachers K
Students copy and figure out the Mystery Codeword each day. They copy Mystery Code into journal. They match the number with the letter to decipher the code word. They draw a picture to match code word. At the end of the week, the...
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Lesson Plan
Curated OER

Mystery Spill

For Teachers 9th - 11th
Students investigate the cause of birds dying in Monterey Bay. In this scientific research lesson, students use various resources, scientific investigations, and vector analysis to solve an environmental mystery.
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Lesson Plan
Curated OER

Dead Body Math

For Teachers 9th - 12th
Students solve the mystery of dead Mr. Potato Head using physics and algebra. They discuss Newton's Law of cooling as it applies to the mystery scenario involving a cooling baked potato as the "victim". They manipulate algebraic...
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Lesson Plan
Bowland

Mystery Tours – Plan Your Tour

For Teachers 6th - 9th
Everyone loves a vacation and a set of three activities has groups planning a tour of the U.K. using given distance, time, and price data. They solve a variety of problems related to the trip and produce a report on the success of the trip.
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Lesson Plan
BBC

The Cream Cake Mystery - Seeing Patterns

For Teachers K - 6th
A great language arts lesson designed for emerging readers awaits your class. Rhyming words are the focus. Learners play an interactive learning game on the computer that helps them to understand words that rhyme. As with all of these...
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Assessment
Concord Consortium

Mystery Dice

For Students 7th - 12th Standards
Dice aren't typically mysterious devices, but these dice are anything but typical. Scholars try to come up with dice that match given information on the relative frequency when they roll them a certain number of times. They must then...
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Worksheet
Coloring Squared

Thanksgiving Pilgrim—Holiday Subtraction

For Students 1st - 2nd Standards
What's the mystery picture? Pupils solve the subtraction problems in each square. Then they use the key at the bottom to determine the color of the square. 
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Lesson Plan
Curated OER

Mystery Math

For Teachers 6th - 8th
Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...
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Worksheet
Curated OER

Math Maven's Mysteries: Time for a Crime

For Students 5th - 6th
In these math word problem worksheets, students help solve the mystery 'Time for a Crime.' Students read the story and use the ferry schedule to help track down the thief. Students circle the name of the guilty suspect.
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Worksheet
Curated OER

Math Maven's Mysteries: The Case of the Dastardly Disguiser

For Students 5th - 6th
In these math word problem worksheets, students help solve the mystery about 'The Case of the Dastardly Disguiser. Students read the story and find the total number of disguises.
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Worksheet
Curated OER

Math Maven's Mysteries

For Students 6th - 7th
In these math word problem worksheets, learners help solve the mystery about 'The Case of the Phantom Number Cruncher.' Students determine which function the Phantom is using to change all the numbers in town.
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Worksheet
Curated OER

Math Maven's Mysteries

For Students 6th - 7th
In these math word problem worksheets, students help solve the mystery about 'The Cool Calculator Caper.' Students use the formula to find what time the evil wrongdoer will arrive in Point Logos.
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Lesson Plan
Virginia Department of Education

A Mystery to Solve

For Teachers 8th - 10th Standards
Investigate field properties of real numbers. Scholars use a table for a given operation to determine the identity element. They use the same table to find a missing value in an equation.
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Lesson Plan
Curated OER

What Do You SUBpose?

For Teachers 3rd - 5th
Submarines are the fous of this math and science instructional activity. In it, learners explore the world of submarines: how they work, and what they are used for. They engage in hands-on activities, watch video clips, and work in...