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Instructional Video2:40
Corbett Maths

Enlargements

For Students 6th - 12th Standards
Count on the scale to enlarge a figure. The video shows how to create an enlargement given a scale factor and a center of enlargement. The presenter multiplies the vertical and horizontal distance by the scale factor to find the new...
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Instructional Video5:42
Corbett Maths

Inverse Proportion

For Students 6th - 12th
Take an indirect view of proportionality. Using a similar approach of direct variation, the resource shows how to solve inverse proportions. The video steps through finding the constant of proportionality to write the formula for the...
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Instructional Video8:27
Corbett Maths

Direct Proportion

For Students 6th - 9th Standards
Direct change by finding the constant. Using two known values within a direct proportion, the resource shows how to find the constant of proportionality. Once individuals do that, they then find any value given the other. The video works...
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Instructional Video4:04
Corbett Maths

Listing Outcomes

For Students 6th - 10th Standards
Make a list and check it twice. Many times, it is beneficial to make a list of the possible outcomes when trying to determine a probability. The resource shows how to systematically make a list and then calculate the probability of...
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Instructional Video7:45
Corbett Maths

Tree Diagrams

For Students 6th - 9th Standards
Climb out on a branch to find probabilities. Using tree diagrams, the resource shows how to find compound probabilities when the events are not uniform. The video works through two different scenarios, one where the probabilities remain...
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Instructional Video9:23
Corbett Maths

3D Pythagoras

For Students 6th - 12th Standards
Calculate one hypotenuse then repeat. The resource provides a variety of ways for finding the length of the diagonal in a prism. Using the Pythagorean Theorem, pupils find a variety of distances in 3-D figures. The distances range from...
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Instructional Video3:29
PBS

Scale City — Scaling up Recipes and Circles in the Real World

For Students 6th - 7th Standards
What a great big skillet you have. The resource introduces the class to the world's largest stainless steel skillet. The class creates a model of the skillet and a typical 12-inch skillet and compares the relative sizes of their areas....
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Lesson Plan
Council for Economic Education

Calculating Simple Interest

For Students 6th - 12th Standards
How much is owed? A calculated resource introduces the simple interest formula with a video that describes how to use it. Classmates then show what they know by answering questions within a simple interest worksheet.
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Lesson Plan
WakeGOV

Plastic Sight Words

For Students K - 2nd Standards
Plastic math? Have young learners count and name the number of plastic items in their centers. Kindergartners match sight word cards to the number of plastics in a given group, while learning that plastics come in all different shapes,...
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Lesson Plan
American Statistical Association

Don't Spill the Beans!

For Teachers 6th - 8th Standards
Become a bean counter. Pupils use a fun activity to design and execute an experiment to determine whether they can grab more beans with their dominant hand or non-dominant hand. They use the class data to create scatter plots and then...
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Printables
Curriculum Corner

Penguin Decimal Computation Scoot

For Students 4th - 5th Standards
Fourth and fifth graders use a set of 28 decimal computation cards as a way to practice adding and subtracting decimals. As students move to the various cards placed around the room, they write the answer to each card on their recording...
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Worksheet
Curriculum Corner

Winter Coordinate Grids

For Students 4th - 5th Standards
Young geometers identify the location of each icon by naming the ordered pair through a set of 10 winter-themed worksheets. 
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Organizer
ReadWriteThink

Concept Map

For Students K - 12th
When you think of one topic, related ideas and details invariably follow. That's concept mapping! Jot down ideas with a straightforward graphic organizer that works both electronically and as a printed resource.
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Lesson Plan
American Statistical Association

How Long is 30 Seconds?

For Teachers 6th - 8th Standards
Is time on your side? Pupils come up with an experiment to test whether their classmates can guess how long it takes for 30 seconds to elapse. They divide the class data into two groups, create box-and-whisker plots, and analyze the...
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Lesson Plan
Mascil Project

Circular Pave-Stones Backyard

For Teachers 6th - 12th Standards
Pack the activity into your plans. Young mathematicians learn about packing and optimization with the context of circular paving stones. They use coins to model the paving stones, and then apply knowledge of circles and polygons to...
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Organizer
Scholastic

Organization Outline

For Students K - 12th
Forming a strong organizational outline is important when reading a complex text, writing an informative essay, or analyzing a complicated problem. Use a straightforward organization outline to teach learners about concept mapping.
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Assessment
Concord Consortium

Hockey Pucks

For Students 5th - 7th Standards
Package design is a mathematical task for any business. Young scholars use a package design to determine the number of packages required for specific shipments. Using ratios, proportions, and fractions, they make decisions about the best...
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Assessment
Concord Consortium

Bricks for Books

For Students 5th - 7th Standards
Maximize a profit with an understanding of geometric dimension. A real-world task challenges learners to design a pattern using three different brick shapes. The bricks are dedicated with a different donation for each shape, so part of...
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Assessment
Concord Consortium

The Bus Route

For Students 3rd - 5th Standards
Patterns are extremely helpful when solving a puzzle. Young scholars attempt to find times a bus will pass each stop. They identify a pattern in the known stop times to identify the solutions.
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Assessment
Concord Consortium

Summertopia

For Students 5th - 7th Standards
What if the unit of money changes tomorrow? Would you be prepared? Learners calculate currency conversions using fictional units of money. The fictional unit's base is 60 rather than 100, which can connect to time or even degrees.
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Assessment
Concord Consortium

Stocking the Shelves

For Students 5th - 7th Standards
How many ways can you stock a shelf? It's probably more than you think! Young scholars use data in a frequency table to determine how many ways to stock a shelf given a specific constraint for types of groups. They then repeat the task...
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Assessment
Concord Consortium

Crazy Clocks

For Students 5th - 7th Standards
While a stopped clock is right twice a day, a fast or slow clock confuses people for weeks. Scholars observe a clock running slow and must correct it before observing a clock running fast and working it backward. Finally, a multi-step...
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Lesson Plan
American Statistical Association

EllipSeeIt: Visualizing Strength and Direction of Correlation

For Teachers 6th - 8th Standards
Seeing is believing. Given several bivariate data sets, learners make scatter plots using the online SeeIt program to visualize the correlation. To get a more complete picture of the topic, they research their own data set and perform an...
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Assessment
Concord Consortium

The Trouble with Tables

For Students 2nd - 5th Standards
Tackle these tables. A performance task has learners complete two puzzles using addition and subtraction. They must fill in tables with missing addends, sums, minuends, subtrahends, or differences.