An interactive lesson from aaamath.com. The student can learn, practice, play a game, and explore counting to 100.

Practice making groups of 10 and 100 while adding 3-digit numbers.

Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]

Pop artists used consumer products, advertising, and popular culture icons as the major source for subject matter in their art. Between 1962 and 1967, Andy Warhol painted soup cans, both individually and in groups. 100 Cans is one of the...

A guide to support parents as they work with their students in addition and subtraction within 1000 with word problems to 100.

Meet Akio and help him count all the beautiful plants in his garden.

Practice or assess number sense with this interactive hundreds charts. Start at zero or one and apply different colors to show patterns and number relationships. Excellent for whole group instruction using a video monitor or for...

The first of these is a multiplication problem involving equal-sized groups. The next two reflect the two related division problems, How many groups? and How many in each group? CCSS.Math.Content.3.OA.A.3 Use multiplication and division...

[Free Registration/Login may be required to access all resource tools.] Students practice comparing and ordering two numbers up to one hundred thousand.

Explore the crossroads of art, science, and pop culture with PBS Idea Channel. Hosted by Mike Rugnetta, the Idea Channel launched in 2012 and has since posted over 100 videos, with more added every Wednesday. The program has quickly...

[Free Registration/Login Required] Given base ten blocks and 5 addition problems, the students will demonstrate understanding of the base ten system by choosing to regroup when needed 100 % of the time, with or without visual...

[Free Registration/Login Required] A group of math templates including a blank calendar, a hundreds board you can use for number patterns (only colors the square you click on), an invisible numbers 100s chart, a blank 10 x10 graph/grid,...

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!

Practice adding two-digit numbers by making groups of ten.

The first of the British colonies to take hold in North America was Jamestown. On the basis of a charter which King James I granted to the Virginia (or London) company, a group of about 100 men set out for the Chesapeake Bay in 1607....

This is a 100-page bibliography of books by and about First Nations peoples. The list has a code to indicate whether the author is Canadian and/or aboriginal. It was published in 2008. The books are sorted by age group. Also included are...

Can the world become a kinder place? The Random Acts of Kindness Foundation has a multitude of ideas for changing the world one step at a time. Authors list 100 "Ideas for Kindness" that range from "Give the Gift of your Smile" to "Host...

With over four hundred original images, this site covers periods in California's history from 1600 to the 1930s. Topics covered include the geography and climate of California, early aboriginal groups, the first European explorers, the...

In August 1984, the Republican National Convention was held in Dallas, Texas. On August 22, a group of about 100 demonstrators marched through the streets of Dallas to dramatize the consequences of nuclear war and protest certain...

This lesson is designed to assist students not only in using the order of operations, but also experimenting with how grouping and ordering affects answers. In groups as teams, the students will compete while finding algebraic...

This book analyzes 30 Supreme Court cases chosen by a group of Supreme Court justices and leading civics educators as the most important for American citizens to understand. An additional 100 significant cases included in state history...

(1839-1876) American general that lead 277 troopers to be slaughtered by a group of Indians.

The site consists of four large groups of stone circles that represent an extraordinary concentration of over 1,000 monuments in a band 100 km wide along some 350 km of the River Gambia. The four groups, Sine Ngayene, Wanar, Wassu and...

The property numbers more than 30 islands clustered in three groups and covers surface area of 7,939 hectares. The islands offer a variety of landscapes and are home to a wealth of fauna, including the Bonin Flying Fox, a critically...