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122 reviewed resources

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Activity
Lesson Planet: Curated OER

Pi Day #1a – Discovering Pi

For Students 6th - 10th Standards
Unravel the mystery behind the infamous number pi. Scholars complete a series of activities that explores where pi comes from, its digits and estimation strategies. Pupils should be ready to measure, calculate, and look for patterns to...
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Assessment
Lesson Planet: Curated OER

Functional Maths Questions

For Students 7th - 11th Standards
Dang, it's a word problem! Pupils address a variety of word problems that involve knowledge of proportions and geometric topics. The General Certificate of Secondary Education review problems require determining costs based on area...
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Instructional Video6:29
Lesson Planet: Curated OER

Circumference

For Students 6th - 12th Standards
Circumference and diameter differ by just a factor of pi. A short video shows viewers how to calculate circumference given the diameter. It also gives an example of determining the diameter given the circumference.
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Instructional Video4:16
Lesson Planet: Curated OER

Proportional Scaling

For Students 6th - 8th Standards
It is not as simple as scaling. MIT researchers explain that a micro engine cannot just be a proportional scaling of a working larger engine. The Math at the Core: Ratios resource compares the proportions involved with the surface area...
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Instructional Video3:56
Lesson Planet: Curated OER

Find the Radius of a Circle Given the Area (Example)

For Students 7th - 11th Standards
Work backwards if you dare. Scholars view a video to learn how to apply the area formula of a circle to solve problems. They watch an example where the focus is finding the radius of a circle given its area, requiring the use of inverse...
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Instructional Video3:44
Lesson Planet: Curated OER

Perimeter of a Semi-Circle

For Students 6th - 12th Standards
Surround yourself with knowledge about perimeter. An informative video shows viewers how to find the perimeter of a semicircle. It begins with an explanation of calculating the length of the semicircular arc and ends with adding on the...
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Lesson Plan
Lesson Planet: Curated OER

Arranging Tables for a Birthday

For Teachers 9th - 11th Standards
Planning a party of 45 guests may be more complicated than it would seem.  Learners must design the space in accordance with these constraints about the space available in the room. They need to calculate area, circumference, and linear...
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Instructional Video8:20
Lesson Planet: Curated OER

Area of a Semi-Circle

For Students 7th - 10th Standards
Short, but to the point, an informative resource does the job! A quick video lesson describes how to calculate the area of a semi-circle. Learners watch the video tutorial and then practice with the included practice problems.
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Activity
Lesson Planet: Curated OER

Pokémon Go Cheat

For Students 6th - 8th Standards
Gotta catch them all—no learner left behind! Young scholars must predict the length of time it takes a phone attached to a fan to travel five kilometers given the radius and rotations versus time data. Why would you attach a phone to a...
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Instructional Video5:06
Lesson Planet: Curated OER

Real-Life Math | Woodworker

For Students 6th - 8th Standards
Woodworking is math-intensive work. Viewing a video of a woodworker explaining how he applies math in his craft sets the stage for a crafty lesson. Pupils use ratios and proportions to create scale drawings of objects.
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Activity
Lesson Planet: Curated OER

Brita

For Teachers 6th - 8th Standards
It's hard to envision what 39 billion plastic bottles look like. Brita claims that the US uses that number of plastic bottles each year! If that's not enough to get your attention, figure out how many times 39 billion water bottles can...
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Activity
Lesson Planet: Curated OER

Pool Capacity

For Teachers 6th - 8th Standards
Here's hoping that we can all fit into the pool. Given pictures and dimensions of a pool in tile lengths, scholars decide how many people can fit into the pool. This requires consideration of area, as well as the application of some...
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Activity
Lesson Planet: Curated OER

Car Caravan

For Students 6th - 8th Standards
Keep playing with those old toy cars! Pupils estimate the number of toy cars in an art installation. The only information they receive is a picture showing the toy cars arranged in concentric rings and the diameter of the overall...
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Activity
Lesson Planet: Curated OER

Tether Ball

For Teachers 6th - 8th Standards
All work and no play makes for a boring classroom! Bring back memories by analyzing the patterns of a tether ball. Given the dimensions of the ball, pole, and rope, young scholars must determine how many times the ball will wrap around...
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Activity
Lesson Planet: Curated OER

Coin Carpet

For Teachers 6th - 8th Standards
Here's a new meaning to the expression throwing away money...a carpet of coins! An intriguing lesson requires calculations to determine the coin that would be the cheapest option, but it's a little tricky. The cost of the coin changes,...
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Activity
Lesson Planet: Curated OER

Popcorn Picker

For Teachers 6th - 8th Standards
A video and popcorn, just like being at the movies! Given the dimensions of two different cylinders, scholars decide which will hold the most popcorn. They find out if their calculations are correct with the provided solution video.
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Activity
Lesson Planet: Curated OER

Shorter Shovels

For Teachers 6th - 8th Standards
Learners won't have to dig themselves out of a hole thanks to an insightful video. Using the movie Holes as inspiration, individuals must determine the difference in the number of holes dug when digging with a shorter shovel. Because the...
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Worksheet
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More Chocolate Candy?

For Students 3rd - 7th Standards
Everyone knows that candy is the best part of any holiday—but which holiday's candy gives you the most bang for your buck? Analyze a chocolate heart, a chocolate bat, and a normal piece of chocolate to decide which piece of candy has the...
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Activity
Lesson Planet: Curated OER

Volcano

For Students 6th - 8th Standards
This resource will blow your mind! Young mathematicians estimate the rate of volcanic lava flow by watching a video. They apply the rate formula to determine how long it would take the lava to reach a city. Let's hope everyone gets out...
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Instructional Video10:17
Lesson Planet: Curated OER

Circumference, Volume of a Cone, Pythagorean Theorem (L1.5)

For Students 8th - 11th Standards
There's a formula for that. An educational video shows viewers how to apply geometry formulas to solve problems. It covers the formulas for the circumference of a circle, volume of a cone, and the Pythagorean Theorem.
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Activity
Lesson Planet: Curated OER

Wedding Cake Ribbon

For Students 3rd - 8th Standards
Customers often want ribbon around fancy cakes, but how does a baker know how much ribbon to buy? Scholars view a cake with multiple layers in different geometric shapes. They must figure the perimeter and circumference and add them...
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Activity
Lesson Planet: Curated OER

Red Carpet

For Teachers 9th - 12th Standards
Roll out the red carpet for an exemplary lesson. Using the dimensions of a rolled piece of carpet, learners calculate the dimensions of the flat sample. Pictures provide individuals with the information they need to make a valid conclusion.
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Activity
Lesson Planet: Curated OER

Penny Circle

For Teachers 7th - 12th Standards
Watch as your classes buy into a rich lesson full of information. A video opener challenges individuals to determine the number of pennies that fit in a circle with a 22-inch diameter. Using lesson materials, scholars collect data and...
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Activity
Lesson Planet: Curated OER

Trashketball

For Teachers 9th - 12th Standards
Take a shot using a lesson on volume! Young learners watch a video showing a trashcan filling with paper balls. The task is to calculate the number of paper balls that will fit in the can. Pupils use volume calculations to make a...