Sea World
Marine Animal Husbandry and Training
Step into the role of a zoo director with several activities about animal training and running a zoo. Kids calculate the amount of food each animal needs, design a habitat for penguins, decide how to breed bottlenose dolphins, and train...
Curated OER
Water Down the Drain
Did you know that leaky faucets waste $10 million worth of water? Conservationists perform an experiment and draw best-fit lines to explore how the US Geological Society determined this value.
Curated OER
The Smallest Metric Unit
For this metric measurements worksheet, students explore the metric system. Students complete fifteen problems by determining which of three metric measurements is the smallest.
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Nonstandard Units
In this units of measurement activity, students learn to use nonstandard units of measurement to measure the items in each problem.
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Heavier or Lighter
Math comes alive in this interactive lesson, which prompts learners to weigh small classroom-available items (erasers, pencils, rulers) as well as more obscure items that would need to be provided (a basket, a small toy car). Students...
Curated OER
Estimate the Number of Cherries
In this estimating worksheet, students observe groups of five cherries and estimate the total amount. Students choose one multiple choice answer.
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Guessing Jar
In this guessing jar worksheet, 1st graders write down their guess for how many marbles are in the jar, then count and record the answer, and complete 3 sentences about the numbers.
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Estimating Butterflies
In this estimation worksheet, students estimate how many butterflies are in the picture and have 25 or 55 to choose from. Students estimate and eventually count 25 butterflies.
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Estimating Practice
In this number sense instructional activity, students examine the picture and estimate the number of ants in the picture.
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Estimate Amount
In this estimating the total amount worksheet, learners observe a page of apples in groups of two and estimate whether there are twenty-five or eighty apples. Students choose one multiple choice answer.
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Goldilocks and The Three Bears
In this retelling the story about Goldilocks and The Three Bears learning exercise, students retell the story and use the pictures of the three beds to compare sizes. Students compare 3 measurements.
American Statistical Association
How Tall and How Many?
Is there a relationship between height and the number of siblings? Classmates collect data on their heights and numbers of brothers and sisters. They apply statistical methods to determine if such a relationship exists.
Statistics Education Web
Types of Average Sampling: "Household Words" to Dwell On
Show your classes how different means can represent the same data. Individuals collect household size data and calculate the mean. Pupils learn how handling of the data influences the value of the mean.
Statistics Education Web
Text Messaging is Time Consuming! What Gives?
The more you text, the less you study. Have classes test this hypothesis or another question related to text messages. Using real data, learners use technology to create a scatter plot and calculate a regression line. They create a dot...
Curated OER
High School Mathematics Problems from Alaska: AL-CAN Highway Problem
Students write and solve equations converting between metric and standard measurement as they travel southeast on the Al-Can Highway.
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My Metric System Smile
In this measurement learning exercise, students measure their smile and the smiles of people in their group using centimeters and millimeters. Students combine their data with their classmates' data to analyze and write a brief conclusion.
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Christmas Tree Angles
In this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
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Concurrent Lines, Medians and Altitudes
In this geometry worksheet, students construct angles and identify medians and altitudes. They use a compass and protractor to perform heir construction. There are 28 questions.
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Triangle worksheets
In this geometry worksheet, 10th graders explore triangle properties, including the sum of the measures of the angles of a triangle, the triangle inequalities, properties of isosceles triangles, properties of congruent triangles, and...
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Percent of Change
In this algebra worksheet, students convert between percents and decimals. They calculate sales tax, discounts and relative errors. There are 4 questions with an answer key.
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Dot's Dot
In this math estimation worksheet, students estimate how many centimeters it is from each dot in a dot to dot puzzle. Students then use a ruler to measure exactly.
Curated OER
Seven Sets of Area Problems
In this area worksheet, students solve for the area of rectangles, parallelograms, triangles, trapezoids, kites, regular polygons, circles, and surface area. The worksheets is divided into seven different sets of problems.
Curated OER
Stem and Leaf Tables
In this math worksheet, students examine the order of the data set and create six different stem and leaf tables. The stem is the place value of ten and the leaf is the ones place.
Curated OER
Strange Paths
In this measurement worksheet, learners use a ruler to measure two paths that are not straight. Students answer 3 questions about their results.