In this lesson, one will learn to regroup when adding by composing hundreds or tens. Links to a parent letter, slideshow, and more can be found along the right side of this video lesson. Registration is required in order to access these additional resources.
At this lesson you can learn, practice, play a game and explore all about even and odd numbers. There are lots of resources to use to learn about even and odd numbers.
Here's the purrr-fect site for math and cat lovers. Math Cats is packed with activities covering a variety of math concepts. In this engaging site, you will find math games, math trivia, math investigations, math crafts, an art gallery loaded with student submitted "Cat artwork," and more. A c...
In this exercise, students practice subtraction within 20. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Students use the picture of the triangle and the given base to determine the height. Watch a video for additional help and answer a practice problem.