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420 resources with the keyterm ratio

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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, students are asked to determine the number of hours...
1 In 1 Collection
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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
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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
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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...
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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. 
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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
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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...
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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
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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...
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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...
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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...
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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...
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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...
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How Big Is That Star?

For Teachers 6th - 9th
Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...
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A Hundred by Any Other Name - Enrichment 18.1

For Students 5th - 7th Standards
Here is a very visual assignment to give when learning about calculating percentages. Scholars are shown how to use a 100 grid in which each square represents a value. They shade in blank grids and use proportions to help calculate...
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Find a Number When a Percent is Known - Reteach 18.3

For Students 5th - 7th Standards
Two different ways to find a number when the percent is given are described on the top half of this handout. Eight practice problems follow. Concise, yet complete, this would make an appropriate addition to your choices of homework...
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Ratio and Proportion

For Teachers 5th - 7th Standards
Here you will find an excellent presentation for introducing or reviewing ratio and proportion. Pupils are introduced to some terms associated with ratios and proportions. Next, they are given examples to work with in order to gain solid...
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The Smart Son

For Teachers 6th - 9th Standards
Grab your youngsters' attention by reading the poem, "Smart" by Shel Silverstein. The son in the poem was not smart in how he handled his money. Mathematics whizzes help him out by using ratio problems to re-calculate his money exchange....
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Understanding Proportions and Scale Drawings

For Teachers 7th - 8th
Proportions are ratios found using multiplication or division. Middle schoolers solve measurement problems, find a figure's missing dimension, and find the distance between two points. Resource features four lesson plans with detailed...
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Exit Ticket 6.RP.1

For Students 5th - 7th Standards
Assess sixth graders' understanding of ratios with this quick exit card assessment. Given the cost for buying two pounds of apples, oranges, and strawberries, young mathematicians must answer a series of three questions involving the...
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Exit Ticket 6.RP.2

For Students 5th - 7th Standards
Baking serves as a great context for engaging young mathematicians in learning about ratios. This short exit card presents learners with the amount of flour and sugar required for a brownie recipe and asks them to identify specific...
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Short Quiz 6.RP.1

For Students 5th - 7th Standards
Conclude an introductory lesson on ratios with a short four-question quiz. Starting with two word problems asking young mathematicians to determine the ratios described in real-world contexts, learners must then fill in the missing...
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Movie Revenues: Percent of Change

For Teachers 6th - 8th Standards
Post the names of movies that have sequels around the room and ask questions, which the students will answer by going to stand by the name of the movie that fits best. Then work with your class to analyze revenue from each film and...