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Geometry

Geometry
Geometry is all about shapes and their properties. If you like playing with objects, or like drawing, then geometry is for you! Geometry can be divided into: Plane Geometry is about flat shapes like lines, circles and triangles ... shapes that can be drawn on a piece of paper Solid Geometry is about three dimensional objects like cubes, prisms, cylinders and spheres. Point, Line, Plane and Solid A Point has no dimensions, only position A Line is one-dimensional A Plane is two dimensional (2D) A Solid is three-dimensional (3D) Why? Why do we do Geometry? Plane Geometry Plane Geometry is all about shapes on a flat surface (like on an endless piece of paper). Perimeter General Drawing Tool Polygons A Polygon is a 2-dimensional shape made of straight lines. Here are some more: The Circle Circle Theorems (Advanced Topic) Symbols There are many special symbols used in Geometry. Geometric Symbols Congruent and Similar Angles Types of Angles Transformations and Symmetry Transformations: Symmetry: Symmetry Artist

3D Shapes . Intro We live in a three-dimensional world. Every object you can see or touch has three dimensions that can be measured: length, width, and height. The room you are sitting in can be described by these three dimensions. In the world around us, there are many three-dimensional geometric shapes. Hate Math? These Mental Tricks Will Have You Multiplying Faster Than Einstein Ever Could! « Mind Hacks Hate Math? These Mental Tricks Will Have You Multiplying Faster Than Einstein Ever Could! That's about as much math as I can handle without a calculator on a daily basis. So, when I come across a cool math trick online that claims to make life easier for folks like me, I'm all ears. As a big fan of TED Talks, I came across the following video of Gaurav Tekriwal showcasing the benefits of something called Vedic mathematics, which is basic a set of strategies to help simplify difficult calculations. Although the origins of these teachings are somewhat mysterious, the strategies are quite effective, and something I will remember on a daily basis. Here are some of the tips and tricks covered. How to Multiply Double-Digit Numbers by 11 My multiplication table stopped at 10, so beyond that, I'm making calculations based off my memory or counting in my head. All you need to do is add the digits of the number you are multiplying by 11 and place that in the middle of the original number. 11 x 11

Technology Usage Policy Calcular Área, calculadora online de áreas para múltiples formas geométricas Soft En cualquier ocasión nos puede resultar práctico disponer de esta sencilla calculadora online, con su ayuda podemos conocer la superficie de diferentes formas geométricas: cuadrado, triángulo, trapecio, pentágono, hexágono, cono, círculo, cubo, tetraedro, cilindro, etc. Lo más interesante, además de que el sitio se encuentra completamente en español, es que esta calculadora sólo es una porción de otras herramientas de cálculo a las que podemos acceder desde los enlaces situados en la página. De esta forma, también podemos encontrar una calculadora de subsidio de desempleo, calculadora de IMC (índice de masa corporal), calculadora de peso ideal, calculadora de ovulación, calculadora de porcentajes, calculadora de fecha probable de parto, etc. Enlace | Calcular Área Artículo relacionado | GoCurrency, utilidad web gratuita para convertir entre diversas monedas

Math Tricks, Math Magics & Shortcuts | epagloo Interesting Mathematics tricks Children often have a common dislike for mathematics. Studies reveal that 3 out of 4 people hated math during the schooling age, and is the reason they are still imperfect in it. People all over the world have a common belief that mathematics needs to be practice a lot. epagloo is presenting some helpful tricks that will rebuild your interest with the subject. People always feel difficult to multiply large digit no. in their brain without the help of calculator. But if you practice the trick given below, you will be master in multiplying such monster digits. Is it difficult for you to add and subtract the fraction sums? Children love the table of 11, however; we can even teach you easy way by which you won’t need to memorize the table. It is very difficult to memorize the decimal value of pie. Ohh!! Remember the haunting numerical of physics you solved in higher classes? Need a delicious tip to improve your mathematical skills?

10 + 1 Steps to Meaningful Student Blogging by Pernille Ripp Three years ago I started blogging with my 4th grade students on a whim. I knew three things at the start: I wanted to get them connected with each other; I wanted to give them a voice, and I knew I had to change the way they wrote. So I started blogging with them – fumbling my way through the how to and the when to. What I had no way of knowing was how blogging would change the way I taught, how blogging would give my students a way to speak to the world, and how blogs would make it possible for them to create lasting global connections with other children. Blogging has since become an integral part of my classroom. So when I meet with any teacher who wonders how to lower the walls of their classroom and create more authentic learning opportunities, my first advice is to get students blogging. If they’re interested, I share these steps. 10 + 1 Steps to Meaningful Student Blogging 1. You have to reflect on why it is you want to have students blog. 2. 3. 4. 5. 6. 7. 8. 9.

Vedic Mathematics Mark Gaskell introduces an alternative system of calculation based on Vedic philosophy At the Maharishi School in Lancashire we have developed a course on Vedic mathematics for key stage 3 that covers the national curriculum. The results have been impressive: maths lessons are much livelier and more fun, the children enjoy their work more and expectations of what is possible are very much higher. Vedic maths comes from the Vedic tradition of India. The remarkable system of Vedic maths was rediscovered from ancient Sanskrit texts early last century. This can easily be extended to solve problems such as 3,000 minus 467. The sutra "vertically and crosswise" has many uses. The whole approach of Vedic maths is suitable for slow learners, as it is so simple and easy to use. The sutra "vertically and crosswise" is often used in long multiplication. We can extend this method to deal with long multiplication of numbers of any size. We can cross-subtract either way: 96-8=88 or 92-4=88. N.B.

STEAM: A Framework for Teaching Across the Disciplines Math Salamanders Sitemap "Math Salamanders Free Math Sheets" Here at the Math Salamanders sitemap, you will find links to all of the Math Salamanders webpages on this site. You will be able to see all the different Math areas in the site that you can explore, including the Kindergarten area through to the 5th Grade area. This Sitemap will be expanding, and more areas will be visible and open for you to explore as time goes on. Please be patient and check back soon, if what you are looking for is not here! If there is a math resource you are desparately looking for but can't find, please let us know on the Facebook comment section at the bottom of each webpage! Sitemap Areas by Grade Here you will find the Math Salamanders sitemap pages indexed by grade. Our Preschool Area Our preschool area is mainly based around coloring activities to support math learning. There are also some worksheets on comparing sizes and recognising shapes. Our Kindergarten Area 1st Grade Area 2nd Grade Area 3rd Grade Area 4th Grade Area Fractions

Education “When are we ever going to use this?” When I was a teacher, this was a question I heard almost daily. I would imagine that has not changed much since I left the classroom five years ago, particularly when it comes to math. Students are naturally inquisitive about what they are learning and why, as they should be. However, as teachers continually make a concerted effort to connect mathematics and common, everyday occurrences in students’ lives outside of the classroom, this question will go the way of the chalkboard. Game-based learning Students don’t just play board games like they used to, instead they look to find those same “board” game in Web-based or app format to download to a phone, tablet, etc. At the end of a long day, a tired first grade student lifts her chair, flips it over and lays the seat down on the top of her desk. Before we look at the choices a teacher has in getting the chair from the floor to the top of the desk, let’s examine what both choices have in common:

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