Mixing in Math
Take Ten: Make Cleaning Up More Fun with Predictions and Counting
Class members predict and count how many items need to be cleaned up in class while skip counting by 10s. They estimate whether having each child clean up 10 items will be enough to get the room ready for the next day. Everyone counts...
Illustrative Mathematics
Why Randomize?
Your statisticians draw several samplings from the same data set, some randomized and some not, and consider the distribution of the sample means of the two different types of samplings. The exercise demonstrates that non-random samples...
Curated OER
Altitude Tracking
Students estimate the altitude of a rocket during several flights. They create their own altitude tracking devise. They examine and discuss their results at the end of the activity.
Curated OER
Estimating Volume
For this online, interactive worksheet, 6th graders complete a pre-test regarding volume. Students complete 10 multiple choice questions and click at the bottom of the page to check their answers.
Curated OER
Estimating Percentages
In this estimating percentages worksheet, students read a problem that gives the percentage of a dollar amount, for example; 8.6% of $75.09 = $5.46. They estimate to determine if they believe the problem is "definitely wrong" or...
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
Estimating and Measuring Length in Metric Units
In this metric measurement worksheet, students estimate lengths of items in centimeters, then use rulers to check estimates.
Curated OER
Estimating Volumes Of Household Containers
Young scholars 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...
Curated OER
A Visit to Southern Africa - Volcano
Students examine a cookie that represents pumice and lava in order to realize that lava is a composite of many rock particles. They compare and contrast pumice to the cookie by estimating, weighing, measuring and dissecting the cookie...
Curated OER
Estimating Angles
Sixth graders estimate the measurement of angles and linear distance from one point to another. Using a specified website, 6th graders play a game of "Golf" where they enter the angle and distance a ball must be hit. Upon completion of...
Curated OER
Measuring Spider Web Angles
In this mathematics worksheet, students identify that the spiders each used a different angle to create their webs. Then they find out each spider's angle by estimating and measuring.
Curated OER
Estimating Quotients
In this estimating quotients worksheet, students solve 20 different problems that include estimating a variety of quotients in each. They divide each whole number and then estimate the answer in each problem to the nearest whole number.
Curated OER
Estimating With Fractions
Students explore fractions. In this fraction lesson, students estimate fractions and estimate sums of fractions. Students work with technology to develop math fluency.
Curated OER
Word Value
Students investigate the concepts of adding, estimating, and ordering. The lesson uses the alphabet as an example illustration. The students practice the calculations in class in order to ensure mastery.
Curated OER
Operations with Fractions and Decimals
Complete a lesson plan that introduces and explores operations with fractions and decimals. Pupils estimate the reasonableness of a decimal computation. Then discuss what operation is needed to find an answer. Handouts, web sources, and...
Curated OER
Calculating Perimeter and Area of Polygons
Students discuss strategies for estimating information about various shapes. Once they draw and label four shapes with perimeters of 30 units, they calculate the areas of the figures. To complete the lesson, students offer written...
Curated OER
Area and Volume
Use this geometry review worksheet to have learners complete nine problems involving transformations, area, volume, and unit conversions. They answer one multiple choice question on estimating lengths.
Curated OER
Estimation
Ten word problems provide practice in estimating. This worksheet is intended to accompany a specific text and lesson; however, it is useful without those resources.
Yummy Math
Soda Santa
Santa is the focal point of a worksheet that inquires how many cans and boxes of soda were used to create a supermarket display. As a small group project, the discussions that will ensue to evaluate the task's three questions will...
Curated OER
How Does Your (Coral) Garden Grow?
Analyze and graph oxygen isotope ratios in coral samples in relation to the distance from the outer skeleton edge. Compare the data to the mean monthly water temperatures. Uncover whether or not there is any correlation. In addition to...
Curated OER
Angles - Digger and the Gang
Students explore angle estimation and measurement. In this angle lesson, students define obtuse, acute, and right angles, and practice measuring angles using a protractor. Students participate in an online angle estimation activity.
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.
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. For this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about...
Curated OER
Estimation
Students estimate the cost of individual items found on a typical grocery list. They participte in a teacher-led demonstration, solve word problems, and estimate the cost of ten items placed into their group's grocery basket.