Practice adding two-digit numbers by making tens on Khan Academy. If you are stuck, watch a refresher video or choose to get a hint. Test yourself to see how many you can get correct!

In this exercise, students practice comparing numbers of objects. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice counting with small numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice making a number by adding other numbers. All numbers in these problems are less than 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students demonstrate their understanding of two-digit place values. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Temperance, abolition, and a whole host of other reform movements sprung up in the early nineteenth century. Can you tell a teetotaler from a Transcendentalist? Test your knowledge here.

Three activities to help students with early math fluency: Quantity Discrimination (QD): The student is given a sheet of number pairs and must verbally identify the larger of the two values for each pair. Missing Number (MN): The student...

Help nurture the development of early math skills -- from infant to grade 2. Site provide information about math literacy and developmental stages. For each age range, you will find several online games and printable activities for core...

At the time of the Europeans' arrival in North America, the land was well populated with Native Americans. Their numbers rapidly dwindled, mainly due to disease. Although there were many diverse tribes, some generalizations can be drawn...

[Free Registration/Login Required] This lesson is an early introduction to positive and negative numbers.

In this exercise, students practice addition and subtraction within 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Early elementary counting skills are detailed here at AAA Math, each section having an explanation, interactive practice, and counting games.

A simple lesson giving instructions on how to write numbers from zero to nine. Writing examples provided as well as links to related counting and number identification games. Both games are interactive and easy to grasp. Activities best...

This site uses pictures to discuss dimension and base. The algebraic naming of measurements is included as well as factoring polynomial numbers.

The Peg + Cat on-air series and online resources provide many opportunities for educators to introduce or reinforce early math concepts. In each 11-minute on-air episode of this animated, math-based series for 3-8 year olds, Peg and Cat...

Print and post a set of 13 early childhood posters to support your young learners. From counting 1-10, to identifying feelings, to naming the days of the week, you can leverage these PBS KIDS posters at Circle Time in Centers, and to...

A version, in English, of the Twelve Tables of law that became the written foundation of all Roman law. The Twelve Tables bore approximately the same relationship to the whole of Roman law that the US Constitution bears to the whole of...

Math and literacy meet in this extensive lesson plan based on the familiar children's story, "If You Give a Mouse a Cookie." Learners will be engaged in math activities such as, "Cookie Count," "Who Took the Cookies," and "Cookie Jar...

The America that greeted the first Europeans was, thus, far from an empty wilderness. It is now thought that as many people lived in the Western Hemisphere as in Western Europe at that time -- about 40 million. Estimates of the number of...

A short online storybook about Beethoven for early readers. The vocabulary is posted below the book.

In this exercise, students practice comparing three-digit numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice adding numbers where the sum is not greater than 20.

What are some strategies for achieving the goal of every child reading? This site features several activities to achieve this goal with your readers.

The big day is finally here: you've studied, you've practiced, and you've gotten a good night's sleep. The last hurdle is just to take the test! One key to overcoming Test Day anxiety is to have a plan. This article offers tips for test...