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419 resources with the keyterm ratio

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Language and Creativity Video
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Language and Creativity
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Who was Frederick Douglass?
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Population Genetics
Other Resource Types ( 419 )
1 In 1 Collection
Lesson Planet

Writing Task 6.RP.1

For Students 5th - 7th Standards
Sixth graders apply their knowledge of rates to solve a simple word problem on this short formative assessment. Using the weekly earnings of two babysitters who work for the same wage, learners are asked to determine the number of hours...
1 In 1 Collection
Lesson Planet

Writing Task 6.RP.2

For Students 5th - 7th Standards
Angela and Esteban are both fast, but who is faster? This exit card provides the time and distance ran by each child, and requires young mathematicians to use ratios to determine which of the two is the faster runner. A perfect resource...
1 In 1 Collection
Lesson Planet

Party Planning

For Teachers 6th - 8th Standards
Inspire mathematicians to see how ratio concepts can be used to plan a class bash! They determine which candy is the best deal. They alter a recipe to produce enough baked treats. They select the most cost-effective contents for a goodie...
1 In 1 Collection
Lesson Planet

Comparison Shopping: Getting the Most for Your Money

For Teachers 6th - 8th Standards
Who isn't interested in shopping for food? Set up two markets in your math class: HalfFoods and DJ's, then send the kids off to compare prices. Occasionally throw a discount into the mix! Through this experience, seventh graders practice...
Lesson Planet

Study Jams! Ratio

For Students 5th - 7th Standards
What is the ratio of wins to total games for Mia's soccer team? RJ teaches viewers how to figure it out with a step-by-step procedure. He shows them three different ways to represent ratios: word form, ratio form, and fraction form. 
Lesson Planet

Designing a Kitchen Backsplash

For Teachers 5th - 7th Standards
Pupils protect a kitchen wall that stands behind the stove by designing a backsplash. Samuel's parents want a backsplash with specific color ratios for the tiny square tiles that will be included. Learners do the math and glue colored...
Lesson Planet

Grocery Store Gas Points

For Teachers 5th - 7th Standards
Three different solutions are offered for this task. Math wizards work together to figure out how much money Monica must spend at the supermarket in order to earn enough gas rewards to fill up her tank for less than the $35.00 she has...
Lesson Planet

Neighborhood Snow Removal

For Teachers 5th - 7th Standards
Everyone loves a little competition, and in this scenario, two neighbors go neck-and-neck to see who shovels snow faster. Your sixth grade mathematicians can place their bets and then use ratio and rate reasoning to determine the winner!
Lesson Planet

The Story of Pencils

For Students 5th - 7th Standards
Did you know that a standard pencil can produce a line that is 35 miles long? This and other pencil trivia make up the information that is used in solving proportion problems on this five-problem learning exercise.
Lesson Planet

How Fast is Usain Bolt?

For Teachers 6th - 8th Standards
Revisit the 2012 Summer Olympics by having seventh graders calculate the unit rate sprinting speed of the 100-meter gold medal winner. 
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7.RP Music Companies, Variation 1

For Teachers 6th - 8th Standards
We've got the beat! And your musically-minded mathematicians will tap their toes as they determine which music company would be getting a better deal based on their offers to buy out TunesTown. The topic is extended in an additional task...
4:18
Lesson Planet

The Physics of Human Sperm vs. the Physics of the Sperm Whale

For Students 9th - 12th Standards
Here is an unusual comparison: the swimming conditions of a sperm cell and a sperm whale. Introduce your physics class to the Reynolds number by sharing this video comparison during your fluid mechanics unit. Afterward, teach them to...
9:58
Lesson Planet

More Advanced Ratio Problem-- with Algebra (HD version)

For Students 7th - 10th
This lesson is a bit more challenging, but Sal provides an excellent step-by-step explanation. He uses of different colors to help learners follow the process for solving this problem. As he solves one problem, he poses another and...
14:13
Lesson Planet

Introduction to Ratios (new HD version)

For Students 6th - 9th
Sal defines ratios. Then he shows how to write ratios three different ways. This concept is then demonstrated with four examples for finding quantities by using ratios.
11:05
Lesson Planet

Circles: Radius, Diameter and Circumference

For Students 4th - 11th
Fascinating discussion regarding the origin of Pi accompanies a detailed explanation of how to find the circumference of a circle. Since this is the first installment in a series on circles, the concept of circumference is separated into...
9:57
Lesson Planet

Advanced Ratio Problems

For Students 7th - 11th
The instructor continues to build ratio problem-solving skills, algebraically. The two examples are very involved, but are thoroughly explained with the use of algebraic steps.
11:05
Lesson Planet

Circles: Radius, Diameter and Circumference

For Students 4th - 11th
Fascinating discussion regarding the origin of Pi accompanies a detailed explanation of how to find the circumference of a circle. Since this is the first installment in a series on circles, the concept of circumference is separated into...
Lesson Planet

Price per Pound and Pounds per Dollar

For Teachers 5th - 7th Standards
Help learners understand the concept of unit rate as it is applied to buying beans at a grocery store. The objective is to determine the unit rate in two ways, and then apply each ratio to an additional problem. The attached commentary...
10:12
Lesson Planet

TV 411 What's Cooking? Salt

For Students 5th - 12th
Here is a recipe for a practical cross-curricular lesson! Cover unit conversions and ratios for math, the periodic table of elements for science, the difference between sodium and salt and its relation to high blood pressure for...
8:18
Lesson Planet

What's Cooking? Carbohydrates

For Students 6th - 12th
Chef Jamika is at it again, highlighting math and science in her cooking demonstrations. In this episode, ratios and fractions are introduced within the main topic of carbohydrates and the direction for making succotash! The general...
Lesson Planet

Glowing Rectangles?

For Students 6th - 8th Standards
Middle school math masters use ratios to determine the missing dimensions of various HD television screens. They also compare different dimensions of screens and determine whether or not they fit the same ratio. They perform similar...
Lesson Planet

Hair & Nails: How Fast Do They Grow?

For Teachers 6th - 8th Standards
Find here a complete lesson dealing with the equations and graphs of proportional relationships, as well as what each individual point on such a graph represents. It may appeal to girls in particular, as the data details the growth rates...
Lesson Planet

Shrinky Dinks

For Teachers 6th - 8th Standards
Who doesn't love Shrinky Dinks projects? Use them in your math class to teach how to derive a constant of proportionality. Learners take measurements on pre-shrunk plastic forms, and after heating, measure again. They use before and...
Lesson Planet

Photo Sizes Task

For Teachers 6th - 8th Standards
Photograph prints are often ordered as 4" x 6", 5" x 7", or 8" x 10", but did you know that these sizes are not proportional? Math wizards compare the ratios using different methods, such as graphing, in order to discover this fact. A...