Bowland
Design the Mascot
Explore how resizing an object affects its area. The set of lessons challenges young mathematicians to design a mascot for electronic devices. These designs undergo resizing to determine how scale factors of dilation affect area.
Balanced Assessment
Oil Consumption
An assessment presents a chart displaying oil consumption Pupils use the chart to determine the greatest increase in consumption, and then apply that information to figure out when the consumption may reach 100 million barrels a day.
Curated OER
Lesson Plan for Fontana Mines
Students estimate and compute with rational numbers. They compare, order and convert among fractions, decimals and percents. Students analyze problems to determine if there is sufficient or extraneous data to solve.
Houghton Mifflin Harcourt
Random Samples: Estimating Population
With this estimating populations assignment, your class will learn about taking random population samples and calculating the average number of species in the samples to estimate the total population. Students use the given data to find...
Curated OER
Sizing Up the Supersize Croc
Young scholars examine and compare traits of humans and crocodiles. In this crocodile lesson plan students use a ratio to estimate the height of a person and compare that to a crocodile.
Curated OER
Circle Up Your M&Ms
Fifth graders estimate how many M&Ms are in a pre-counted bag. They determine how many colored M&Ms are in a bag, then decide which of the two, bar graph or circle graph (in this case, circle graph) would be best to show te results.
Curated OER
Estimating Percentages
In this estimating percentages worksheet, students read a problem that gives the percentage of a dollar amount, for example; 8.6% of $75.09 = $5.46. They estimate to determine if they believe the problem is "definitely wrong" or...
Curated OER
60-30-10
Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.
Curated OER
What is the connection between rice and estimation?
Sixth graders investigate estimating. In this estimating lesson, 6th graders estimate how much rice is eaten around the world. Students estimate the percentages of rice eaten by other countries. Students compare rice production to...
Curated OER
Estimation
Students complete computer activities about estimating if items are more or less than a given amount. For this estimation lesson plan, students also estimate measurements around the classroom.
Curated OER
Deer Population
Ninth graders study deer including their reproduction rate and management in Pennsylvania. In this deer overpopulation lesson plan students estimate deer population and suggest management tools.
Curated OER
Nutrition Awareness
Students gain an awareness of nutrition. In this science lesson plan, students explore how to determine his or her ideal body weight, demonstrate familiarity with the food groups relating to kilocaloric content, estimate the basic...
Curated OER
Discount
Seventh graders calculate the sale price when given the regular price and percent discount as well as calculate the percent discount when given the regular price and sale price. They find the total cost of a CD if the price is $19.99 and...
Curated OER
Examining Estimation
Second graders participate in various activities which help them explain and explain the difference between an estimate and an exact amount.
Curated OER
Is the Price Right?
Learners listen to the book, Arthur's Funny Money, then play The Price is Right game to estimate and to chart the price of items to the nearest $1.00 and $10.00. They check their estimates by counting out the actual amount in play money.
Curated OER
The Foot Book
Students use estimation and measurement skills to make predictions and solve problems about length. They also analyze data presented to calculate ratios and percents.
Curated OER
Hybrid Vehicles: Cut Pollution and Save Money
Students examine how driving a hybrid car can save money and cut down on pollution. In this hybrid vehicles lesson students complete an exercise that shows them how to work with proportions, percents, dimensional analysis and...
Curated OER
The Price is Right, So Let's Make Change
Students estimate, calculate, and count back the amount of change needed from purchases made during small group activities.
Curated OER
Comparing Fractions
Students use the assistance of computers to explore reducing fractions. Using various internet activities, students experience comparing and ordering fractions. They develop methods to estimate the value of fractions.
Curated OER
Forecasting Weather
In this weather activity, students conduct an experiment where they record the weather observations for a week. Then they determine the air pressure using an aneroid barometer and estimate the amount of sky covered by clouds. Students...
Curated OER
Rent and owner's major payments
Students retrieve and map census data to determine the average rent and owners' payments made throughout Canada. They find out how many people are spending more than 30 percent of their income on housing.
Curated OER
Oxymorons
In this vocabulary worksheet, students read 100 English oxymorons. They include "absolutely unsure" and "hone hundred and ten percent."
Curated OER
Ratio Relationships
Students solve for the different ratio and proportion of a problem. In this geometry lesson, students show their knowledge of how to solve proportional relationships. They convert between percent, decimals and fractions.
Curated OER
6th Grade Math Worksheet
In this multiple task math worksheet, 6th graders solve 10 math problems involving metric units, number lines, composite numbers, estimation and percentages.