Curated OER
Rounding Mixed Numbers
Is your class having trouble with mixed numbers and rounding to the nearest whole number? Use this instructional activity in your fractions unit to help struggling math students with this tricky skill. An example demonstrates how to...
Curated OER
BIG Pumpkins!
How big is the biggest pumpkin you've ever seen? Did it weigh over a ton—literally? Young learners view pictures of some record-breaking pumpkins, including some that weighed over 1,300 pounds, before answering five word problems about...
Curated OER
Using Real-Data from North Dakota to Study Place Value, Rounding, Estimation, Fractions, and Percents
In this real-data learning exercise, students use data from the 2008 Census Bureau to answer eight questions divided into four activities. The topics covered include: place value, rounding, estimation, fractions, and percents.
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some context to all...
Curated OER
Expert Estimators
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
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
Estimating the Square- Root of Ten
In this algebra learning exercise, students estimate the square root. They rewrite the root as an exponential function and solve. They use the correct function notation. There are 10 questions.
Curated OER
Make a 100
Second graders develop an understanding of 100 and the quantity for which it stands and examine the relationship between 100 and 10 by estimating the number of jelly beans in a jar.
Curated OER
Valentine Marbles
if you've ever had to guess how many items were in a jar, then this problem is for you! With a big jar full of red and white marbles, does picking a sample of 16 allow your learners to get a good estimate on the percentages of each...
Curated OER
Making Change
Second graders explore how to incorporate a new type of technology, the cash register and/or a calculator, as a motivational tool for solving real life problems. They practice estimating money and counting back change from $20.00.
Curated OER
Estimating Volumes Of Household Containers
Students engage in a the estimation of volume for household containers and focus upon the usage of the metric system. They practice identifying the shapes that seem familiar and match shapes with quantities. Students interact with others...
Curated OER
Making Estimations in Measurement
Students explore estimating and measurement with the story of Jack and the Beanstalk. They read and discuss the story, estimate and measure their own height, circumference, and length of their foot, and draw and paint a giant using...
Curated OER
Powers of 10
Students explore universe, and examine how big it really is and how scientists measure the distances or sizes of things by estimating sizes of different objects and reading and writing numbers in scientific notations.
Curated OER
How Close Is Our Estimate?
Fifth graders estimate perimeter, area, and volume. They measure perimeter and area using nonstandard units of measurement. Students add and subtract non-standard units of measurement. They add mixed numbers and simplify the sum.
Curated OER
Making Estimations in Measurement
Students utilize their knowledge of measurement in making accurate measurements and estimations.
Curated OER
Measuring Pumpkins and Our World
Students estimate the circumference of a pumpkin. They measure the pumpkin and other school objects, and record the measurements on worksheets.
Curated OER
Questioning NASA
Space science and math collide in this inquiry that investigates launching times for antacid-tablet rockets! Upper elementary or middle school learners collect data as they launch these mini rockets. They apply concepts of place value...
Curated OER
Simple Past-Positive Sentences #2
In this simple past tense instructional activity, students use words and phrases given to form positive sentences in the given tense. Answers may be submitted online for review. ESL appropriate but not exclusive.