Build right angles using coordinate geometry! Pupils explore the concept of slope related to perpendicular lines by examining 90-degree rotations of right triangles. Learners determine the slope of the hypotenuse becomes the opposite...

While creating models from data, pupils make decisions about precision. Exercises are provided that require linear, quadratic, or exponential models based upon the desired precision. 

Class members make a real connection to matrices in the 25th part of a series of 32 by looking at the identity matrix and making the connection to the multiplicative identity in the real numbers. Pupils explore different...

How many points are needed to define a unique parabola? Individuals work with data to answer this question. Ultimately, they determine the quadratic model when given three points. The concept is applied to data from a dropped...

Building on knowledge from the previous lesson, the second lesson in this unit teaches scholars to identify and interpret rate of change and initial value of a linear function in context. They investigate how slope expresses the...

Pupils work several real-world problems that use percents in the 11th portion of a 20-part series. The problems contain percents involved with taxes, commissions, discounts, tips, fees, and interest. Scholars use the equations formed for...

Make all the ratio representations fit together. The 15th segment in a series of 29 presents ratio problems to solve. Scholars use a variety of representations to respond to the questions. The problem set has pupils show how the...

Even or not, here I come. Groups investigate the parity of products and sums of whole numbers in the 17th lesson in a series of 21. Using dots to represent numbers, they develop a pattern for the products of two even numbers; two odd...

What happens when combining percentage discounts? The last instructional activity in a series of 29 introduces the idea of combining discounts one after another. Pupils wrestle with the claim that to find the total discount, they...

Take any number, multiply it by five, and then divide by five. Did you end up with the original number? In the same vein as the previous lesson, pupils discover the relationship between multiplication and division. They develop the...

Ready to prepare young scholars for their first placement test experience? Give them the support they need using a test-focused instructional activity. Fifth in a series of six junior-level college and career readiness instructional...

Students sort shoes. In this sorting instructional activity, students use shoes to explore attributes and practice sorting. This instructional activity encourages the use of a Venn Diagram to aide in student sorting.

Students examine population growth and collect data. In this statistics lesson, students create a scatter plot to represent the different species found in the water and are being harvested. They graph their data and draw conclusion from it.

Students investigate how plants grow by analyzing pumpkins. In this agricultural lesson, students read The Biggest Pumpkin Ever by Steven Kroll, and draw pictures of a pumpkin in each of its growing stages. Students measure and dissect...

In this using conditionals:  if and unless worksheet, students read the explanations and examples, then interactively complete 12 sentences with immediate online feedback.

Students place beans in plastic bags with water and observe changes.  In this germination lesson, students observe and record how many beans sprout each day. Students may also weigh beans, count beans or eat beans.

Students develop sensory awareness through this series of lessons.

Students participate in a sink or float activity using pumpkins.

Students explore how animals produce young by watching age-appropriate videos on the subject. They watch as chicken eggs either hatch or not in an incubator.

Students make "pets" of isopods (potato bugs) to determine their preferred environment and food sources. They record their results on a bar graph and in a scientific report.

Students examine the lives of early pioneers who traveled west for better opportunities. They listen to story "Josafina and the Story Quilt", and discuss hardships encountered by traveling families. Students then complete research and...

Students examine reasons for deforestation and become familiar with Madagascar and its culture, while describing biological and abiotic components of a rainforest, and looking at aspects that must be addressed to resolve the issue of...

Seventh graders listen to a set of instructions and complete a drawing. In this listening skills lesson, 7th graders listen to a set of oral directions and follow a command. Students then listen to a second set of directions to draw a...

Seventh graders determine the literal and figurative meanings of idioms and research the history of idioms. For this idioms lesson, 7th graders read two books by Fred Gwynne and select two idioms from the texts to research. Students...