Give the class a prime example of using prime numbers. After reviewing prime factorization of numbers with the video, pupils use their knowledge to determine greatest common factors and least common multiples in the worksheet. The...

Internal and external factors influence behavior and decision making. The third session in a 10-lesson series focusing on Social, Physical, Emotional, Cognitive and Spiritual (SPECS) health explores the impact of these factors...

Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their...

Find the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect...

Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...

RJ instructs your sixth graders in two different methods of determining least common multiples. The first is by listing several multiples of each number, and the second is by drawing factor trees. This is an ideal flipped classroom...

Deepen the number sense of young mathematicians by exploring the process of prime factorization. Follow along with this step-by-step presentation that explains how factor trees are used to break a composite number down into its prime...

Who knew the sum of a number's digits gives such interesting information? The 18th installment of a 21-part module has scholars investigate division by three and nine. After looking at several examples, they develop divisibility tests...

By creating a list of factors for two numbers, it is easier to see the greatest common factor. Each question in an interactive resource asks pupils to identify the greatest common factor for the numbers 24 and 36 in several...

Is your current lesson plan for salt and freshwater literacy leaving you high and dry? If so, dive into part one of a seven-part series that explores the physical features of Earth's salt and freshwater sources. Junior hydrologists...

From tiny organisms to entire biomes, young scientists examine the interdependent relationships tying all living and non-living things together with this collection of ecology resources.

Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...

Salmonella poisoning impacts over 200,000 people in the United States each year. Scholars learn about the growth of these bacteria using multiple approaches. Then they apply the same growth calculations to endangered species and think...

Scholars analyze the role of bystanders during the Holocaust. The investigation explores the roles of the bystanders, upstanders, and rescuers with primary and secondary resources to determine actions taken—or not—and their implications...

This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...

Shortcut the work in finding total volumes. Pupils determine a polynomial expression that would represent the combined volume of three boxes. Each box has the same height, and the scholars rewrite the expression by factoring out the...

Everyone knows a tree makes a sound when it falls, but what do we know about dying trees? Class members learn background information about Laurel wilt disease from a teacher-led presentation. Team members work with partners to read and...

Pick your poison: tobacco, alcohol, opiates, cocaine, or marijuana. An online exhibition launches a research project that asks groups to select one of the five drugs and gather information on how the use of the drug and the regulations...

Encourage family participation at home with a reference tool designed to support learners' practice of simplifying fractions. Two pages offer detailed descriptions and labeled examples. 

Use properties to evaluate several multiplications and divisions. The 16th lesson in a series of 25 demonstrates to scholars how they can utilize properties of operations to evaluate complex numerical expressions involving multiplication...

One thing that puzzles a lot of young algebrists is the factors in a word problem that are taken as "understood". This presentation on solving systems of linear inequalities does a great job walking the learner through how to tease those...

A picture speaks a thousand words—no matter how old. The 18th installment of a 22-part series on the making of American history has scholars research the causes of the Great Depression and the factors of the New Deal. Using photographic...

If basketball players make more than teachers, why shouldn't learners all aspire to play in the NBA? Unraveling the cost and benefits of education and future economic success can be tricky. Economic data, real-life cases, and some...

Designed for teachers, this resource identifies problems learners face when attempting a research project and approaches instructors can use to help their class members overcome these obstacles. Suggestions are included for how to help...