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One Million Dots!Page 1 of this flipchart contains 10,000 dots - 10 rows of 10 squares, where each square consists of 10 rows of 10 dots. 10 x 10 x 10 x 10 = 10,000. On page 2, I shrank the big square of dots on page 1, and then made a square that consists of 10 rows, each containing 10 of these squares, or 100 squares altogether. 10,000 x 100 = 1,000,000! So this page actually contains 1 million dots. If you use the ActivStudio zoom tool, you can zoom in enough to see the original dots. Interesting side note - the file is only 10.02 KB.
Factors and Multiples Puzzle from NrichThere is a cool puzzle at the Nrich website called the Factors and Multiples Puzzle, which can be found on-line at http://nrich.maths.org/public/viewer.php?obj_id=5448 I have created a flipchart to support the use of this puzzle in the classroom. Enjoy!
Chartgame - Share Market GameYou are shown the actual share price and trading information for an unknown company over a period of time. Use this information to try to choose the best times to buy and sell shares. How did you do over a year? Three thumbs up! Real Numbers from HippocampusAn interactive multi-media lesson on real numbers, by Hippocampus You can view all of the interactive algebra, calculus and statistics lessons by Hippocampus at
Fraction Operations with the TI-NspireBelow are two TI-Nspire documents from Spencer Williams that show visually the operations of adding and subtracting fractions. There is also a pdf file to support the use of these in the classroom. Thanks, Spencer, for sharing these.
Follow-On MathsTake a starting number and apply a set of instructions to it to achieve a finishing number. Click create to generate a new start number and instructions. The start number will not appear. You can choose whether to show the start number or the answer. Showing the answer modifies the puzzle so that students have to do the inverse of the instructions to find the start number. A timer can be applied. The length of time available for each instruction can be adjusted. When the length of time has passed a light appears below the instruction to show the students that they should move on. Instructions Resource
Square or Prime?A really really cool interactive game to practise number properties. Thirty particles fall from above. Use the repelling particle to nudge them into the correct box depending on whether they contain a square number or a prime number. An interactive whiteboard game to practise number properties. Thirty particles fall from above. Use the repelling particle to nudge them into the correct box depending on whether they contain a square number or a prime number. Three thumbs up! Instructions Resource
Lowest Common Multiple Interactive!A neat visual way to find the LCM (lowest common multiple) of two numbers.
Animal See-SawAnimal See-Saw is a game for two players. Each player is given 12 animals. Players take it in turns to place an animal on their side of the see-saw - making sure that their side of the see-saw is never more than 5 kg heavier than the other side. The winner is the player who survives the game without ever being more than 5kg heavier than his/her opponent. If a player does become 5kg heavier than their opponent, the see saw falls, they lose and the game is over. If both players make it to the end of the game, the winner is the one with the most weight on his/her side.
Fifth Grade Maths ProblemYour task: Answer the question below. Then download and open the attached Excel spreadsheet. The number of legs is the password to unlock the Excel sheet. Add your name to the spreadsheet and send it on to see who else can unlock it. ** Note: This is not a trick question. This is a real math problem so don't say that a bus has no legs. Also, there is no driver on the bus, so don't add any legs for a driver. There are 7 girls in a bus Question: How many legs are there in the bus?
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