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Plane developments of geometric bodies (1): Nets of prisms A right prism is a polyhedron that has two congruents pararel polygonal faces (bases of the prism) and with all remaining faces are rectangles. The main interest of this page is to see how a right prism can be developed into a plane net. There is a platonic solid that is a prism, the cube. This is a cube net: The lateral surface area of a prism is the sum of the areas of the rectangles that form the faces that are not bases of the prism. We can calculate the lateral surface area of a right prism (p is the perimeter of a base and h is the height of the prism):

Grid Paper PDFs Downloadable and very printable, I find these PDFs extremely useful. Graph Paper Quick Picks Now set to: 8 1/2 x 11 Paper. Ruled in Inches. Now set to: A4 Paper, Ruled in Millimeters. Math = Love: Piles of Paper It's been a weird school day so far. It's the last Friday of the year. Monday will be our last full day of school, and Tuesday will be a half day with half of the morning taken up by an awards assembly. More students than I can count have decided it's not even worth coming to school anymore.

Animations Maths Upload La classe de Marie-Eve Loading... Working... ► Play all KS2 Numeracy Tools © v2vtraining.co.uk Use as a demonstration tool to aid the use of a protractor and test your angle estimation skills. Fridge magnet style numbers and symbols for a variety of open ended tasks. Waterman Polyhedra Play with the controls! Use the "Sequence" slider to step through the series of polyhedra. Click the "Colors" button. If you have red-blue 3D glasses, change the "Stereo Mode" to "Anaglyph". Multiplication Printable Worksheets "Math Salamanders Free Math Sheets" Welcome to the Math Salamanders Multiplication Printable Worksheets. Here you will find a wide range of free printable Multiplication Worksheets which will help your child improve their multiplying skills. This page contains links to other Math webpages where you will find a range of activities and resources. Each webpage has a short description of what the page is about and the math learning it covers. If you cannot find what you are looking for, try searching the site using the Google search box on the right hand side on this page.

For Teachers Do you want to use Gapminder tools in your classroom? Check out our resources on this page and the downloads page to get started. You are free to use them today in your classroom! But if you want more info about how you can work with the material, please contact info@gapminder.org. Interact with the data Dollar Street Illuminations Coin Box Pre-K-2, 3-5 Learn how to count, collect, exchange, and make change for coins by manipulating coins using an array representation. Deep Sea Duel Multiples and Factors In this activity, students identify multiples and factors and solve problems that involve finding highest common factors and lowest common multiples. Students will need a good recall of multiplication basic facts in order to be able to do these activities. Activity One and Game Math Games/Center Ideas What’s Here Learn how to create and implement math games quickly and inexpensively! On this page, you’ll find photos of math games and free printable directions for several of them. You can see how to store and organize these math partner games and introduce them to your class on the Starting Math Game Routines page. Teacher-Made Math Games for Grades 2-4

Adding Fractions with the Same Denominator Adding fractions with the same denominators is pretty straightforward when you follow the rules. This lesson covers adding fractions with same denominator. We will include all of the information you will need to make working with common denominator problems a breeze! The equation above shows the Rule for addition. So, if your are dealing with the same (common) denominator (b), the answer is the sum of the numerators (a and c) over their common denominator.

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