Around half of the states in the US ban first cousin marriage, but does science support that ban? Scholars work through genetic analysis of the risks to understand if more states should ban the practice—or if some should remove it. They...

While canals are not the way to travel today, in the first half of the nineteenth century, they were sometimes the best way to move goods and people. Scholars examine primary sources, including maps and pictures, to investigate the role...

How hard can it be to split something in half? Learners investigate how previously learned concepts from angle bisectors can be used to develop ways to construct perpendicular bisectors. The resource also covers constructing a...

Thank goodness we have calculators to compute logarithms. Pupils use calculators to create logarithmic tables to estimate values and use these tables to discover patterns (properties). The second half of the lesson has scholars use given...

Challenge scholars to show what they know about properties and addition and subtraction formulas for trigonometric functions. The resource provides a mid-unit check on the progress toward mastery of trigonometric concepts. The areas...

Make sure pupils have the skills to move on to the second half of the module with a mid-module assessment task. The formative assessment instrument checks student learning before moving on to the rest of the lessons in the unit.

Flip a coin to determine whether the probability of heads is one-half. Pupils use simulated data to find the experimental probability of flipping a coin. Participants compare the long run relative frequency with the known theoretical...

An engaging and fun lesson on telling time is here for you. In it, young time-tellers listen to the song, "Rock Around the Clock," then use Judy Clocks to practice telling time to the hour and half hour. Finally, using paper plates, each...

What is an addend? What is a sum? Review this math terminology on the top half of the worksheet before practicing basic addition. 

Daily practice develops skills! Use this half-sheet to help learners correct grammatical errors in capitalization, punctuation, spelling, and grammar. Today's topic is a hot-air balloon flight. 

Eight color graphics fill the top half of this page. Each of them is meant to represent a different environmental topic: poaching, deforestation, pollution, etc. Youngsters associate vocabulary terms with each graphic and then answer...

Learners examine types of plant structure. In this plant biology lesson, students observe various types of plants, such as ivy and grapes, and discuss the differences in structure. Additionally, learners plant sugar snap peas, using a...

Genetics hopefuls solve Punnett Squares for monohybrid and dihybrid crosses. An example of each is provided to teach the process. Other heredity patterns are mentioned and genetic disorders are listed in the second half of the...

Here is an engaging presentation that challenges your mathematicians to use the techniques of partitioning and halving in order to double or half numbers. After each technique is explained, learners are given a series of numbers to try...

Now that your Spanish speakers converse pretty fluidly, teach them how to compare two things with equal qualities. The first section provides an explanation, and there are fill-in-the-blank questions on the bottom half.

Dive into classical Chinese literature with this packet. Provided first is a comprehensive summary and a half-page long historical context of Water Margin. As your class reads the section entitled "Wu Sung Fights the Tiger," pose the...

As a before reading strategy, class members select a tale from mythology, examine several picture book versions of the myth, and fill out part of a Venn diagram with observations about the hero in particular and the myth in...

By the ninth lesson in this soccer unit, learners have studied this sport from many angles. Here they consider the right to play. Take a look at how much money professional athletes earn. Is there a difference between how much men make...

While the lesson focuses on right triangles, this activity offers a great way to practice the area of all triangles through an interactive webpage. The activity begins with the class taking a square paper and cutting in in half; can they...

Examine the introduction to Our Islands in Their People, written by Major-General Joseph Wheeler. The excerpt, which is about two-and-a-half pages long, is included here along with six questions about the text. Pupils can learn about the...

Who knew that you could measure time with a ruler? This great printable resource allows young mathematicians to visualize the hours of the day as they learn to calculate elapsed time.

Sailboat design requires more than a half-circle and triangle sketch. After viewing a slideshow presentation that outlines the requirements for sailboat design, learners draw a design, perform the needed...

To an engineer, the glass is never half full; it's just double the necessary size. The fifth installment of a nine-part technology and engineering series teaches pupils about the idea of ergonomic design. Measurements of popliteal height...

Use geometry to improve your pool game! Learners analyze the front half of a pool shot to determine its resulting path. By measuring the angle of incidence, they are able to predict the path of the ball.