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Lesson Plan
Curated OER

Clinometer

For Teachers 7th
Seventh graders build their own Clinometer and using the tangent of angles, estimate the height of trees. Then these students develop and activity to show whole class and determine the tallest tree on school property.
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Assessment
Bowland

110 Years On

For Teachers 6th - 9th
How many great, great grandchildren can one have? Scholars estimate the number of descendants a woman can have after 110 years. They use information about the average number of children per family and life expectancy to make this estimate.
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Activity
101 Questions

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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Lesson Plan
Curated OER

Math, Calories and You

For Teachers 5th - 8th
Discover the connection between calories and weight. Pupils multiply their body weight times calorie estimates for various physical activities to calculate calories burned per minute and per hour. Worksheets a well as website links are...
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Lesson Plan
Curated OER

Surface Area and Volume

For Teachers 5th - 8th
Upper graders identify the surface area and attributes of figures that are measurable. They estimate, measure, and record perimeter, area, temperature change, and elapsed time, using a variety of strategies. They also determine the...
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Activity
Illustrative Mathematics

Ants Versus Humans

For Teachers 7th - 9th Standards
You would think that humans make up more mass than ants do on this planet, but think again, and this time by performing calculations. Middle schoolers use scientific notation to compute and compare the estimated total mass of all humans...
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Lesson Plan
Curated OER

The Circumference of a Circle and the Area of the Region it Encloses

For Teachers 6th - 8th Standards
Bring your math class around with this task. Learners simply identify parts of a given circle, compute its radius, and estimate the circumference and area. It is a strong scaffolding exercise in preparation for applying the formulas for...
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Assessment
Balanced Assessment

How Big is Big?

For Students 6th - 8th
Now you can create your own monster movie. Learners estimate the size of a scale model monster given comparison statements and analyze these estimates to determine if the scale model accurately portrays a lizard.
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Activity
Education Development Center

Choosing Samples

For Students 6th - 7th Standards
What makes a good sample? Your classes collaborate to answer this question through a task involving areas of rectangles. Given a set of 100 rectangles, they sample a set of five rectangles to estimate the average area of the figures. The...
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Lesson Plan
Curated OER

Winter Olympics History Year by Year

For Teachers 3rd - 12th
Investigate the history of the Winter Olympic Games. After researching this event and compiling necessary statistics, pupils use a graphic organizer to chart their findings. A template for a chart is included in this resource. Have your...
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Activity
Illustrative Mathematics

Felicia's Drive

For Teachers 6th - 9th Standards
Learners consider several factors to determine if Felicia has enough gas to make it to her destination. They must explain the approximations Felicia might make while driving to determine if she needs to stop for gas. They are also asked...
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Activity
Illustrative Mathematics

Ice Cream Van

For Teachers 6th - 9th Standards
In an open-ended problem, learners calculate costs involved in driving an ice cream van. Is it better to park in one place or drive through different neighborhoods? Learners look at these and other factors and must make reasonable...
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Lesson Plan
1
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Virginia Department of Education

Practical Problems Involving Decimals

For Teachers 5th - 7th Standards
After discussing decimals and "going shopping" in the classroom, young mathematicians are given four practical word problems that require them to estimate their answers, given specific information. The highlight of the lesson plan is...
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Worksheet
Yummy Math

Valentine’s Day = Roses

For Students 4th - 8th Standards
Roses are red, but did you know that some are lighter while others are darker? Scholars read an infographic to decipher the fraction and percent of rose color and their country of origin. They go on to make comparisons and estimate while...
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Activity
101 Questions

File Cabinet

For Teachers 6th - 8th Standards
Take the resource out of the file cabinet. Young mathematicians estimate the number of sticky notes it would take to cover the surface area of a file cabinet. They answer a set of questions on how the number of sticky notes would change...
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Activity
101 Questions

Girl Scout Cookies

For Students 6th - 8th Standards
How many Girl Scout cookies can you fit in a trunk? Learners consider this question after watching a video of an SUV being filled to the top with single boxes of the cookies. They use measurements of the trunk and the box of cookies to...
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Activity
Exploratorium

Handy Measuring Ratio

For Teachers 4th - 8th Standards
Your hand can be a handy tool for measurement. Young mathematicians learn how to estimate the height of objects by applying similarity. They find the horizontal distance from the object where spreading their outstretched fingers results...
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Lesson Plan
Curated OER

Menu Planner

For Teachers 6th - 8th
Students plan a menu for a family of four for a day. They estimate the cost of purchasing items on that menu based on a $ 50.00 budget and calculate the actual costs of those items and compare the estimated and actual costs.
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Lesson Plan
Curated OER

Estimation

For Teachers 6th - 8th
For this elementary math worksheet, middle schoolers find the estimated values to solve the 10 word problems using the multiple choice format.
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Worksheet
Curated OER

Estimation and Approximation

For Students 7th - 8th
In this estimation and approximation worksheet, students determine the estimated value of given multiplication and division problems containing decimals. They round answers to the nearest whole number. This two-page worksheet contains 11...
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Worksheet
Curated OER

Probability Lines

For Students 6th - 8th
For this math worksheet, students make estimates to consider the possibility of each event taking place from impossible to likely.
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Lesson Plan
Curated OER

Rallytable Angle Measuring

For Teachers 6th - 10th
In this geometry worksheet, students measure various angles. First, they write what type of angle each one is, whether right, acute, or obtuse. Then students estimate the measurement and then write the actual measurement for each angle.
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Worksheet
Curated OER

Estimating Sums and Differences

For Students 7th
In this estimation of sums and differences activity, 7th graders solve 20 different problems that are related to estimation of numbers. They add or subtract each problem as shown. Then, students estimate the sums and differences for each...
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Worksheet
Curated OER

Fraction Review

For Students 5th - 10th
In this fractions learning exercise, learners put fractions into their simplest form, write as improper fractions, add and subtract, estimate amounts, and more. They complete 31 problems.

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