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Lesson Planet

#### Largest Hamburger Ever?

If a 150 lb. person can comfortably eat and digest a 1 lb. burger, then how large would the person be who can comfortably eat and digest a 350 lb. burger? For a burger that size, it would take either a large person or a class of really...

Lesson Planet

#### Triple Crown

Bring the excitement of the fastest minute in sports into your classroom with a worksheet about the Triple Crown horse races. Young mathematicians will use information about the races, fun facts about horses, interesting information...

Lesson Planet

#### iPhone 5

In this different twist on using technology in the classroom, the iPhone 5 is the subject of mathematical inspiration. Fifth, sixth, seventh and eigth graders investigate the true cost of owning this phone. They use the colorful and...

Lesson Planet

#### How Do You Use Unit Rates to Compare Rates?

Cupcakes, cupcakes, cupcakes! Where shall we buy some cupcakes? There are two stores selling cupcakes and we would like to know which one has the better deal. The instructor demonstrates how to find a unit rate for the cupcakes at each...

Lesson Planet

#### Rates - Homework 18.3

As stated on the top of the page, this is ideal for homework when kids are learning to calculate unit rates. A brief demonstration of two different ways of solving rate problems is presented. Then learners practice with 16 problems. The...

Lesson Planet

#### Rates - Practice 18.3

Rates per unit of time, unit rates, and the distance and lengths of trips are solved in this 18-question assignment. Neatly presented, these questions provide your middle school mathematicians practice with unit rate skills.

Lesson Planet

#### Candy Fractions

While examining fractions and ratios, your leaners get to read about one of their favorite subjects: candy! There are four word problems on this worksheet. Learners consider situations in which "for every x caramels there are y...

Lesson Planet

#### They Cost Peanuts

Save pennies on your peanuts. Scholars first examine a picture of a supermarket display showing salted peanuts sold by the pound and by the bag. They apply the idea of unit rate to determine which is cheaper.

Lesson Planet

#### Create Unit Rate Using Tape Diagram

Look at ratios in a new way with this method of finding unit rates. The tape diagram draws out the two rates into a coordinating diagram so your learners can see how it makes one unit rate. Drawing allows them to find the obvious rate,...

Lesson Planet

#### Data Transfer

A question to ask your class is, How fast is your Internet? That depends on the data transfer rate (DTR), which is the unit rate used in this activity. Math students will calculate how long it takes to download a music file and a video...

Lesson Planet

#### Voting for Two, Variation 4

After elections, the total amount of votes is not specified but the ratio of votes is. Your learners' job is to determine the fraction of votes John received above half of all votes. The problem can be solved abstractly or by other...

Lesson Planet

#### Voting for Two, Variation 3

After calculating election votes, your learners must determine how many votes the winner, John, got above 50%. This multi-step problem encourages them to think in a deeper way about what the question is asking them to find. Use with...

Lesson Planet

#### Voting for Two, Variation 2

John won the election, but by how much more? Your learners will calculate how many votes each candidate received in order to determine the difference. Use with other lessons provided in the series to practice different variations of this...

Lesson Planet

#### Voting for Two, Variation 1

The votes are in and your mathematicians are going to calculate how many votes each candidate received. Three different solution choices are given, depending on which method is taught. Have your learners set up a table, compute parts, or...

Lesson Planet

#### Health Science: Back to Basics

This lesson focuses on unit conversion, proportions, ratios, exponents, and the metric system. Discuss measurement with your math class and demonstrate how to solve several health-science word problems. Give learners a chance to visit an...

Lesson Planet

#### Rates and Ratios

Rates, ratios, proportions, oh my! Use the distance equals rate times time (d=rt) formula to teach about rate, ratio, and proportion. How many miles were traveled in how much time? Set up the information in a proportion to get a unit...

Lesson Planet

#### Twinkies

Brian was devastated when Hostess® filed for bankruptcy, and he was also fearful that his favorite snack treat would be lost forever. The snack food was in danger of being lost, your class won't be lost when using Twinkies® as the...

Lesson Planet

#### Boorito!

Delicious Chipotle burritos are a big treat, especially when they are offered for only $2.00. This Halloween-themed learning experience isn't tricky, but learners will need to think critically about division with large numbers in order...

Lesson Planet

#### Sweetheart Candy

How much would one Sweetheart candy heart cost? Learners use a short reading passage about the popular Valentine's Day candy to answer a variety of questions. Teachers may want to modify the length of the instructional activity depending...

Lesson Planet

#### What are Rates and Unit Rates?

Rate is really a ratio of given quantities that you are comparing that have different units. A unit rate is a rate that has a denominator of one. The teacher gives a couple of examples for each term, rate and unit rate. The instructor is...

Lesson Planet

#### Manure Happens: Managing Nutrients in Livestock Manure

You might not think manure is fodder for practical math applications, but it is! Among other approaches in a diverse resource, your class explores the chemistry of manure via the scientific method (though supporting materials for this...

Lesson Planet

#### Ratio and Proportion: More Writing Ratio

Three ratio word problems make up this concise assignment. Mathematicians compare blondes to redheads, red and white shirts, and action-adventure and sports video games. The write ratios to answer the questions. Use this as a class warm...

Lesson Planet

#### Fit With Fiber

Sixth graders investigate the nutritional value of different types of cereal. They take a survey of students that ate breakfast and create a circle graph with the results. Students examine the nutritional information on the sides of the...

Lesson Planet

#### Circles in the Landscape: Irrigating Oklahoma Crops

How do you grow crops in a area with insufficient rainfall? Why you irrigate, of course. Class members investigate irrigation systems by designing a system of their own. After examining irrigation related concepts, vocabulary terms, and...