background preloader

Math

Facebook Twitter

Www.teacherled.com/resources/vennmultiples/vennmultipleload.swf. Least Common Multiple Game - Snowball Fight! How to Make a Simple Electric Motor. Energy comes in many forms. Electric energy can be converted into useful work, or mechanical energy, by machines called electric motors. Electric motors work due to electromagnetic interactions: the interaction of current (the flow of electrons) and a magnetic field. Problem Find out how to make a simple electric motor. Materials D battery Insulated 22G wire 2 large-eyed, long, metal sewing needles (the eyes must be large enough to fit the wire through) Modeling clay Electrical tape Hobby knife Small circular magnet Thin marker Procedure Starting in the center of the wire, wrap the wire tightly and neatly around the marker 30 times.

What is this? Ask an adult to use the hobby knife to help you remove the top-half of the wire insulation on each free end of the coil. Thread each loose end of the wire coil through the large eye of a needle. Lay the D battery sideways on a flat surface. Use electrical tape to secure the needles to the ends of the battery. Give your coil a spin. Results Why? HOW TO CREATE A TESSELLATION. Tessellation Creator. How to multiply numbers by drawing lines. [VIDEO] Math. My Name is 6 x 7. ...and like any great idea it was stolen from another teacher (Mrs P-W, two rooms down) who found it on a web-site somewhere. For the day, all kids in Year 4 were given a sticky label with a multiplication fact written on it - this became their new name for the day. Here's 48 and 64.... ...and 108 having a chat with 56.... ...and 63 with 144!

We all had to use our new "names" for the whole day. Teachers also participated - I became Mr 42 (or 6 x 7). Algebra Balance Scales. Tabletrees. Protractor. Thinking Blocks - Addition and Subtraction Tutorial. Tessellate! Welcome to Math Playground. Fourth grade math practice.

Free Online Math Games, Cool Puzzles and Mazes for Kids of All Ages - Math Lines XFactor 12. Mathletics.com - Love Learning - USA's Number 1 Math Website.