EngageNY
End-of-Module Assessment Task - Algebra 1 (Module 4)
Critical thinking is an important aspect of mathematics — it's time to put your brain to work! Use this assessment to challenge pupils and test their skills. Concepts assessed include function notation, factoring, completing the square,...
Smithsonian Institution
Spanish American War
Today, Cuba and America sometimes struggle with diplomatic relations, but did you know that America went to war against Spain to free Cuba? Learners examine many interesting facts related to the Spanish American War using an informative...
CK-12 Foundation
Pythagorean Theorem to Determine Distance: Tree Shadows
Why is that shadow getting longer? Determine the changes in the length of a shadow as the sun changes position in the sky. Individuals use an interactive to calculate the length of a shadow at different times during the day via the...
CK-12 Foundation
Length of an Arc: Pi Hour
What time is it when the arc length is pi? An interactive displays the measure of the angle created between the hour and minute hand of a clock. Pupils can set the clock to different hours and calculate the arc length based upon the radius.
CK-12 Foundation
Rotations in Radians: Clock Conundrum
Pupils use an interactive clock to set specific times. They apply math to an everyday task as they determine the measure of the angle formed by the hands in degrees and in radians.
CK-12 Foundation
Seasons: Shadow Lengths
Before iPhones and calendars, how did humans determine the seasons of the year? Middle school scientists discover how to use shadows to determine the time of year in an enlightening interactive. Pupils manipulate the sun and examine the...
CK-12 Foundation
Geometric Sequences: Bacteria Colony
Show budding mathematicians how to model a diminishing bacteria colony two ways—graphically and algebraically. Using the coordinate axis, pupils create a graph to represent the decay of a bacteria colony. They determine the number of...
Curated OER
Countdown
How many days until summer? Find a special day, and use this activity to determine how many days, weeks, hours, even seconds until it arrives! There are three levels of difficulty, which can provide differentiated instruction with...
Curated OER
Analog Clock Faces - Writing Digital Time
In this telling time worksheet, students read the 10 analog times shown on clocks and record them. The times are in 10 minute increments.
Curated OER
Analog Clock Faces: Drawing Hands
In this clocks worksheet, students draw hands on nine analog clocks to match the digital times shown. All times are in ten minute increments.
Curated OER
O'Clock and Half Past (1)
In this telling time worksheet, learners write the times that are shown on 9 analog clock faces. They write the times that are shown to the hour and half hour.
Curated OER
O'Clock and Half Past (2)
In this telling time worksheet, students write the times that they see on 9 analog clock faces. They identify time to the hours and half hours.
Curated OER
Assessment & Evaluation
Seventh graders study elapsed time, radioactive decay and half-life. In this time machine lesson students complete several activities and view a presentation.
Curated OER
Using a Starfinder
In this starfinder activity, 5th graders construct a starfinder in order to determine which stars are in the night sky on a given date and time. Students use their starfinder to answer 9 questions about the stars and constellations,...
Curated OER
Dating Popcorn
Students simulate the dating process with popcorn. In this geology lesson, students discuss how geologist find the age of rocks by gauging the amount of decay of radioactive elements. They have 6 bags of popcorn and each group microwaves...
Curated OER
Fraction Clocks
First graders use a clock to practice telling time and using fractions. They review the different parts of the clock and play a game using time. They help each other with telling time.
Curated OER
Science NetLinks: Fossils and Geologic Time
Students investigate the development of the geologic time scale. Also, to introduce them to the major time periods in earth's history, as well as to the role fossils play in helping us understand this history.
Laura Candler
Time Capsule
It's amazing how much kids change from the beginning of the year to the end. Create a written account of their growth with a fun worksheet that involves children recording information about themselves at two points...
Curated OER
AP: Chapter 25: Phylogeny and Systematics
As a review or note taking guide, this resource wraps up a unit on the tree of life. Biology bigwigs define phylogeny and answer questions about the subsequent classification of organisms. The worksheet takes a straightforward and...
Curated OER
Seasons and Day Time
Learners label a diagram of the Earth rotating about the sun and indicate the direction of the rotation and the seasons at each location. They indicate the seasons, the poles, the hours of daylight at each pole, the direction of rotation...
Wyatt Bingham
Comparative Essay: Tips for Timed Writing
This site provides a guideline for writing a comparative essay for the AP World History Test. It also provides practice exercises and samples.
Howard Hughes Medical Institute
Lesson 2: Gorongosa National Park
How has Gorongosa National Park changed over time? Discover the park's rich history, dating back to primitive human times, through an interactive timeline and scientific reading. The second installment in an eight-part series explores...
Council for Economic Education
Tax Time Scavenger Hunt
Is a 1040EZ tax form really easy? Scholars investigate the complexities of the United States taxation system with an economics instructional activity. Using a wide variety of web sources, they interpret IRS taxation rules and regulations...
Judicial Branch of California
The Power of the Press: The First Amendment
Was what happened in 1886 at the Haymarket riot a crime or a case of xenophobia? Using political cartoons from the time, young historians consider the role the media played in anti-labor sentiment during the time and how that influenced...