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Maria's Math news - a FREE math newsletter for parents and teachers
Latest from my blog
Various worksheets on TONS of math topics you can generate for free!
Basic operations worksheet generator is updated! Make worksheets for whole numbers or integers - all four operations, including add & subtract or multiply & divide - horizontal or vertical - add a border and/or extra workspace, use a variable, and more.
Advice, reviews, and resources to help you choose a math curriculum!
Online math games, tutorials, and activities
Games you can play online, interactive tutorials, fun math websites and more. Arranged by topic/level for ease of use.
Learn how to TEACH concepts or about general concerns in math education.
In-depth reviews of math products
Math help & tutoring
A list of free message boards, math help websites, and online tutoring services.
Fun and games
I have two games on my site, plus links to many.
Game: Choose Math Operation
Word guess game (easy hangman)
Word guess game (difficult)
The ideas in this geometry lesson are taken from Math Mammoth Geometry 1 book.
Area of parallelogram
|Look how we can cut a piece from a parallelogram and "glue"
it to the other end
and thus make a rectangle:
The area of the final rectangle is the SAME as the area of the
|Look at other examples:
1. Find out the area of the following parallelograms.
|2. Here you see two different shaped
parallelograms that have the area of 15:
On a grid paper, in each case draw
4 different parallelograms that have the area of