Teach the joys of factoring and introduce prime and square numbers. Upper elementary learners are introduced to these concepts through complete definitions, examples, and practice problems. A variety of strategies, such as factor trees...

This presentation covers a lot of ground. Square numbers, metal math computations, commutative property, ordering positive and negative integers, factoring, and real world problem solving are all covered. Use over the course of several...

Show how to factor four different numbers using a factor tree. This short slide show defines factoring and then shows how each number 28, 32, 33, and 30 can all be factored. 

The terms and definitions involved with growing, harvesting, and processing of tree fruits are given in these clear and attractive slides.  Details of  horticulture and crops are given. For instance, demand and growth of the...

The forestry presentation found here lists and describes a variety of tree diseases. A few unappetizing photos are included to show symptoms of some of these diseases, or the insects and fungi that cause them. If you have a class that is...

Arranged as an interactive lesson, this presentation focuses on the six world biomes. Upcoming biologists click on a specific biome and a slide lists its location, description, native plants, and animals. A quiz provides learners with...

Wow! Review an entire semester of biology curriculum playing this Science Jeopardy game! The variety of topics is extremely broad, so you will need to review each question to find if they all apply to your course. As you find material...

Factoring is an important math skill, and it's often quite confusing for youngsters. This presentation does a good job of showing the basic skills and vocabulary needed to begin to understand this important process. Prime numbers,...

Psychologists study human relationships while ecologist study relationships between organisms in the environment. An introduction to ecology and the related vocabulary benefits scholars as they progress through the presentation and...

The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...