Lay the foundation for addition facts with introducing students to "the understanding that the number relationships between 0 more than, 1 more than, and 2 more". To help implement this lesson the website contains documents and videos.

As a whole class, the teacher presents learners with 3 numbers on cards, such as 5, 8, and 3. The teacher asks the students to find all the ways the numbers can be put together in addition or subtraction sentences. This lesson plan...

Use your quick thinking and addition math skills to play this math racing game.

Great resource to practice and strengthen math skills pertaining to addition. Math worksheets are printable, may be customized, and include answer keys.

This site offers customizable math challenges to help students master their math facts. Options include skill, age, and difficulty level as well as number of problems.

Find here flashcards for addition, subtraction, multiplication, and division for printing off and coloring.

This task challenges a student to demonstrate understanding of concepts involved in addition and subtraction.

Learn how to solve two-digit addition problems, and then practice the skill with interactive problems.

This sample chapter from Hurst's book Picturing Math is an excellent resource for using picture books and activities for learning computation.

This task challenges a student to demonstrate fluency in adding and subtracting whole numbers.

Information is provided about the eclipse of 1999; in addition, facts about elcipses throughout history are also included.

Canoe Puppies is a multiplayer math game that allows students from anywhere in the world to race against each other while practicing adding two-digit numbers!

Learn how to add double-digit numbers in this lesson complete with examples, rules, and vocabulary.

Read about the effects and complications associated with the hallucinogenic drug called PCP. In addition you can read about the history of this drug as well as the potency of its doses.

Cool facts, range, habitat, food, behavior, reproduction, and conservation status are topics delved into on this detailed site. In addition, the sounds made by this species are included on this site.

The purpose of this task is to help young scholars develop flexible strategies for adding and subtracting within 20. Students will pick 5 number cards from pre-made cards labeled 1-10. Then, another student will pick a "target number"...

Students will work as a class to solve word problems involving addition, subtraction, multiplication, and simple fractions. To culminate the instructional activity, students will create their own word problems.

In this interactive mall environment, students learn how to make smart decisions as consumers. Whether shopping for clothes, choosing the best food deal, searching for a job or buying a cellphone, students will learn how to recognize...

Contains plans for three lessons that explore the fact and fiction surrounding the Declaration of Independence and Independence Day. In addition to objectives and standards, this instructional plan contains links to resources used in the...

Learn all about the lowland tapir by browsing this reference from the Brookfield Zoo. In addition to quick facts and a photo, this animal guide provides information on its appearance, habitat, conservation efforts, and other unique...

This complete site presents a wealth of information in fact sheet format. In addition, find out how Native Americans viewed the Gila monster and how a component of its venom is being investigated as a possible drug to treat type-2 diabetes.

A comprehensive resource that contains a number of facts about robins. In addition, there are challenge questions, lessons and activities to use in the classroom. The migration pattern is also tracked.

Find out more about the meerkat by browsing this reference from the Brookfield Zoo. In addition to quick facts, this animal guide provides information on its appearance, classification, social habits, communication, and breeding habits.

In addition to quick facts, the Brookfield Zoo offers a photo and information on the social and eatings habits, appearance, habitat, and other characteristics of the reticulated giraffe, the tallest animal in the world.