At the top of the page are a reading passage and colorful diagram that depicts the tug-of-war that occurs between bonding molecules due to electronegativity. High school chemists fill in a chart with electronegativity values, the...

Time to study the most sensible function — rational functions! The seven-lesson unit develops the concept of a rational function through a connection to rational numbers and fractions. Scholars graph functions, solve equations, and...

An organized table charting the different types of chemical bonds arrays this resource. The octet rule, ionization energy, and the naming of compounds are also reviewed. Young chemists answer review questions in multiple choice fashion....

If you'd like to prompt some great discussions in your history class, this presentation will surely get your class talking. Addressing 19th century liberalism in Europe (including influences from England, France, America, and Ireland),...

After learning that the sum of interior angles for triangles is 108 degrees, take it further to show that the sum of angles in any polygon is the same! Using hexagons, pupils practice finding the measure of the six congruent angles. Make...

Bingo is a super fun game and can be used to reinforce a vast number of recognition skills. These bingo cards are prepared by constructing nine squares, each delineated with raised Wikki Stix or gluedyarn and containing a...

Twelve math lessons take kindergartners through the process of number sense and counting. The skills range from counting to ten, filling out ten frames, indicating ordinal position of an object, and counting by fives and tens to one...

Make sure scholars know all about fractions and decimals — not just a fraction of the information. The 12th installment of a 21-part series is a mid-module assessment. Learners solve problems in the context of a birthday party and a...

Career exploration is the focus of a lesson that encourages pupils to choose a profession based on their strengths and interests. Following a thoughtful discussion covering different character traits, class members complete an...

Students explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.

Students examine five major events in Soviet History to introduce the concept of opportunity cost. They identify considered alternatives at the time of decision and examine benefits and cost. They apply these ideas to a typical school day.

Students simulate the transaction costs experienced by the average householder in the former Soviet Union. They consider time spent searching and waiting in line, scarcity of goods and the lure of the black market.

Students determine the wattage of appliances found in the home. They identify ways to conserve energy and calculate the number of kilowatt-hours that appliances use. They also discover the costs per kilowatt-hour for the appliances.

Students compare the weight of the students's favorite soft toys directly and then indirectly using beads.

In this exploring and investigating division worksheet, pupils, working with a partner, study and answer seven clues to exploring and investigating division equations.

Learners use manipulatives to study shapes. They sort shapes and use correct geometric terminology to describe them. Students find real-life examples of 2 and 3 dimensional shapes, and classify figures in their classroom according to...

A cute zoo theme sets the tone for a problem-solving activity which primes early learners for division. They separate zoo animals into equal groups and then write an equation that expresses the action. 

Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...

Students consider their citizenship responsibilities in the world. In this philanthropy lesson, students define civic virtues as they consider how to be fair, just, and tolerant to promote human rights. Students complete a graphic...

In this compounds instructional activity, learners practice writing ion notation and making ionic compounds. Students make covalent bonds. This instructional activity has 10 fill in the blank and 18 problems to solve.

In this fractions and division worksheet, 4th graders write 10 answers as a fraction, mixed number or as a whole number. Students study a table to figure out the amount of each material used to made six identical centerpieces.

For this naming and covalent compounds worksheet, students answer 6 questions about ion notation, they make 6 ionic compounds, they make 6 covalent compounds and they name 10 compounds which are ionic, covalent or polyatomic.

Students collect and record data. In this early data analysis instructional activity, students gather data about their partners face. As a class, the students use tally marks and pictographs to record the data and answer question about...