Curated OER
Reasonable Estimates
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
Curated OER
Making Benchmards--Length
Students explore the idea of having Benchmarks to estimate the length of given objects. Students demonstrate acquired knowledge of the basic units of length by making reasonable estimates. Students create a personal benchmark.
Illustrative Mathematics
Ice Cream Van
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...
Curated OER
Making Change
Students investigate how to make change when purchasing items. In this making change lesson, students examine a scenario to calculate the correct change. Students play Bingo based on information and calculations to determine the amount...
Curated OER
Everyday Mathematics: Ballpark Estimates
For this estimating practice worksheet, students sharpen their math skills as they learn how to make likely estimates and try the 2 extra practice activities.
Illustrative Mathematics
Reasoning about Multiplication and Division and Place Value, Part 2
The learner puts reasoning and estimation to work. The directions are to place a decimal in the answer to make the equation true. Pupils are to look at the two problems, one multiplication and one division, and estimate an answer. No...
Bowland
110 Years On
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.
Balanced Assessment
Fermi Estimates I
Enrico Fermi, the physicist responsible for the first nuclear detonation, was known for his ability to estimate with little or no data. Use this task to have your classes practice their Fermi skills. They estimate the magnitude of three...
Curated OER
Using Random Sampling to Draw Inferences
Emerging statisticians develop the ability to make inferences from sample data while also working on proportional relationships in general. Here, young learners examine samples for bias, and then use random samples to make inferences...
Curated OER
Investigations into Estimations
Students gain the powerful tools of estimation, prediction, and averaging and discover the importance these tools have in daily living.
Illustrative Mathematics
Felicia's Drive
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...
NOAA
Make an Edible Coral Reef
Coral reefs are full of an abundance of life and color. Why not celebrate it with an edible coral reef? Learners and teachers alike use cake, icing, and candies to create a tasty version of a coral reef that's complete with colors,...
Illustrative Mathematics
Runners' World
Learners must investigate the validity of a claim made in a running magazine. They must identify and look up unprovided information, make appropriate estimations, and be able to convert units. Might be best used as a group or whole-class...
Curated OER
Earth Moon Scaling
A wonderful lesson incorporating math and physics skills along with specific details about the planetary bodies. The cross-curricular approach makes for a valid activity to challenge multiple ages and abilities. Your class could work in...
Curated OER
Reasonableness
In this math worksheet, pupils work through word problems and select the correct answer from possible multiple choice responses. They identify the difference between less than and more than, and in between. Students also estimate to find...
Curated OER
"Socrates and the Three Little Pigs" by Mitsumasa Anno
Students gain an understanding of probability and make reasonable estimations.
Curated OER
Estimating Prices
Students practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Students practice using metal computations to arrive at estimates.
Curated OER
Estimating for Reasonable Answers: Post Test
In this estimation worksheet, 5th graders answer multiple choice questions about estimation of measurements, total numbers, and more. Students complete 10 multiple choice questions.
Curated OER
Reasonable Answers
In this reasonable answers activity, students solve six story problems in which numbers are rounded and the answer estimated. Students select the most reasonable answer from 3 choices.
Curated OER
Reasonable Answers
In this reasonable answer learning exercise, students estimate and circle the answer that make sense for a set of 6 word problems. Students choose from 2 possible answers.
Bowland
Royal Liver Clock
Using clocks as dining tables? Scholars estimate the number of people that can sit around the face of the clock on the Royal Liver Building in Liverpool. They use estimation to justify their responses.
Illustrative Mathematics
How Many Leaves on a Tree?
This is great go-to activity for those spring or fall days when the weather beckons your geometry class outside. Learners start with a small tree, devising strategies to accurately estimate the leaf count. They must then tackle the...
Curated OER
Dental Impressions
What an impressive task it is to make dental impressions! Pupils learn how dentists use proportional reasoning, unit conversions, and systems of equations to estimate the materials needed to make stone models of dental impressions....
American Statistical Association
Scatter It! (Predict Billy’s Height)
How do doctors predict a child's future height? Scholars use one case study to determine the height of a child two years into the future. They graph the given data, determine the line of best fit, and use that to estimate the height in...