Investigate the relationship between irrational roots and a number line with a resource that asks learners to put together a number line using radical intervals rather than integers. A great progression, they build on their understanding...

Help young scientists connect with nature and learn about trees with a fun life science instructional activity. Heading out into the school yard, children choose a tree to adopt, taking measurements, writing descriptions, and drawing...

In this estimating practice activity, students sharpen their math skills as they learn how to make likely estimates and try the 2 extra practice activities.

Young mathematicians round numbers to the nearest 100. They round 10, 3 digit numbers to the nearest 100. Good, basic practice

Learners explore linear measurement. They choose appropriate measuring tools, measure three classroom items, and record their results.  A class discussion ensues in which everyone decides the best way to present their data.

Math wizards begin the lesson by comparing and ordering rational numbers. Using a number line, they discover the relationship between the numbers and practice ordering them in the correct way. They also review proper techniques for...

Kids can estimate weight, length, and height. Here, they circle the measurement that best describes the length, height, or weight of 10 different objects. 

For this estimation worksheet, students estimate in word problems and graphs. Students round numbers to help them complete the estimation problems.

In this estimation worksheet, students read story problems, determine the correct operation, and mentally evaluate the problem by using compatible numbers or through the process of rounding. Students complete three multiple choice problems.

In this math worksheet, students learn to estimate a quotient to see if an answer is reasonable. They complete the long division to get an exact answer in 18 problems. Detailed directions are also given on how to check a division...

In this estimating numbers on a number line instructional activity, students estimate the 8 whole numbers that the arrows are pointing to on 4 number lines.

In this estimating worksheet, students estimate the whole numbers that arrows on a number line are pointing to, 0-10. A website reference for additional activities is given.

Students consider Race and Ethnicity in baseball. In this American history instructional activity, students examine primary source images of American baseball. They then develop an original argument, pose historical questions and conduct...

Students analyze a Cyberchase video to help them understand how to estimate the time it takes to travel distances. In this time lesson, students use ratiosand repeated addition to calculate how much air the characters in...

Students use unconventional units of measure to estimate and measure.

Students practice the concepts behind fractions, decimals, and percents by using sports statistics on baseball cards. In this baseball math lesson, students use fractions and estimation to calculate statistics. Students calculate batting...

What if you don't have theoretical probabilities with which to create probability distributions? The 11th installment of a 21-part module has scholars collecting data through a survey. The results of the survey provide empirical data to...

Don't leave your classes vulnerable in their calculations! Help them understand the importance of calculating a margin of error to represent the variability in their sample mean. 

Your task today: count all the trees on a tree farm. To complete the assignment, learners first estimate the number of trees on a tree farm using random sampling. To improve their own response they then evaluate provided...

Find the percent of middle schoolers who want the ability to freeze time. The 21st installment in a series of 25 has groups collect a random sample of respondents who answer a question about superpowers. Using sample statistics,...

How many hours should learners devote to studying outside of class? Learners use this worksheet to not only practice estimation, but also develop a valuable study skill for their future academic careers.

Challenge your class to use straight lines when estimating the length of a curve. An engaging interactive allows individuals to place line segments one after another along the arc. Learners determine that the more lines used, the better...

Make sure there is enough ice cream on hand. Learners try to find out how much ice cream to buy for a sports event. Scholars use a pie chart showing the percent of a sample of people who like different flavors of ice cream. Using the...