Teach Engineering
The Temperature Effect
How temperature affects the efficiency of a solar panel is the focus of the third in a series of eight resources that presents how engineers are able to control the temperatures of photovoltaic panels. Class members find out how the...
EngageNY
The Pythagorean Theorem
Class members explore the estimation of irrational numbers in association with the Pythagorean Theorem. The first lesson of this module challenges pupils to use the Pythagorean Theorem to find unknown side lengths. When the length is not...
Illustrative Mathematics
Carbon 14 Dating in Practice I
How old is the plant? Here is a task that presents the exponential decay function for carbon 14 in a plant. Pupils use the function to estimate the amount of carbon 14 in the plant when it died and analyze the function to find what the...
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
EngageNY
More Practice with Box Plots
Don't just think outside of the box — read outside of it! The 15th lesson in a 22-part unit provides pupils more work with box plots. Learners read the box plots to estimate the five-number summary and interpret it within the context....
Space Awareness
How Light Pollution Affects the Stars: Magnitude Readers
Did you know light can decrease visibility? Light pollution absolutely makes it more difficult to see stars. Scholars build a simple magnitude reader to determine the magnitude of stars. They use these data to estimate the impact of...
Florida International University
Counting FishStix
How do we count the fish in the ocean? An engaging lesson models how to estimate fish populations with observational surveys. Class members begin by studying the behavior of fish on the coral reef in the oceans. They then become the fish...
Yummy Math
Valentine’s Day = Roses
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...
101 Questions
File Cabinet
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...
CCSS Math Activities
Social Security Trust Fund
Will Social Security still be around when you retire? Given data on the predicted balance of the social security fund over time, scholars plot the points on a coordinate grid and determine if a quadratic regression fits the data. They...
101 Questions
Girl Scout Cookies
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...
Curated OER
Menu Planner
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.
Curated OER
Multiplying Decimals
In this mathematics worksheet, 6th graders estimate the product and use an array to help them find the product. Then they find the exact product and locate where to put the decimal point in each.
Curated OER
Estimation
In this elementary math worksheet, students find the estimated values to solve the 10 word problems using the multiple choice format.
Curated OER
Tip the Scales
Students, in groups, estimate and check the weights of classroom objects using coins as the standard of measure.
Curated OER
Measurement: Estimating One Place Beyond
In this estimation in measurement instructional activity, students are given four rulers with measurements marked on each. Students estimate each measurement and mark their answers.
Curated OER
Raft Rally
In this science project worksheet, students create a raft from a 20 X 20 piece of aluminum foil and four plastic straws that will hold the highest number of pennies. Then they estimate the number of pennies that they believe their raft...
Curated OER
Estimating Products
In this estimating products worksheet, 5th graders round numbers to find an estimate of the product. Students are to estimate by finding a range.
Curated OER
Two-Digit Quotients
In this mathematics worksheet, 6th graders find the quotient for each problem. They estimate first and identifying which number they will use. Then, students divide the problem and multiply to check.
Curated OER
Dividing Decimals
In this mathematics worksheet, 6th graders find the quotient for each problem listed. Then thy explain their estimates, divide, and multiply to check their answers.
Curated OER
Estimate Quotients
In this quotient worksheet, students write 2 division problems that would give the estimated quotient given. A reference web site is given for additional activities.
Curated OER
Investigation-How Far Can You Jump?
Pupils explore measurement. In this math lesson, students measure how far they can jump using blocks. Pupils compare the results when different sized blocks are used. Students estimate the distance jumped.
Curated OER
Lincoln Index
Students use a similar method to the Lincoln Index to estimate a population size.
Curated OER
Estimation Contest
Students explore the concept of estimation. For this estimation lesson, students estimate the number of Cheerios in their cup. Students then determine the number of Cheerios in the entire box using what they know about their cup.
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