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Maths Solutions features experienced teachers demonstrating solutions to a series of maths problems that are known to challenge students. The solutions are presented as a series of short video clips displayed on the screen in a step-by-step format; in the same way as a teacher writing on a page or whiteboard. Choose the maths area that you need help with. If you would like to share your thoughts on this resource, please take this short feedback survey.
Maths Quizzes features a collection of diagnostic tests in a range of maths areas. The quizzes are for your own benefit - no scores will be recorded and you can try them as many times as you like. If there is an area which you are struggling with, you may wish to also visit the corresponding section of the Maths Solutions site, a link to which can be found on each page. If you would like to share your thoughts on this resource, please take this short feedback survey . Maths Quizzes has recently moved. If you have any bookmarks or links to specific solutions, please update them.
The Trachtenberg System is a system of rapid mental calculation . The system consists of a number of readily memorized operations that allow one to perform arithmetic computations very quickly. It was developed by the Russian Jewish engineer Jakow Trachtenberg in order to keep his mind occupied while being held in a Nazi concentration camp . The rest of this article presents some of the methods devised by Trachtenberg. The most important algorithms are the ones for general multiplication, division and addition [ citation needed ] .
Note: this is not a full list of the site (the list would be too big), so it is always worth trying the search above, or the Index . 2D Shapes Acute Angles Add Two Numbers and the Answer is Always 1089 Adding Fractions Addition Worksheets Algebra Menu Alien Mask From Coordinates Angles Around a Point Add to 360 Angles on a Straight Line Add to 180 Area Calculation Tool Area of Circle, Triangle, Square, Rectangle, Parallelogram, Trapezium, Ellipse and Sector Associative, Commutative and Distributive Laws Average Number of Arms
The average is a simple term with several meanings. The type of average to use depends on whether you’re adding, multiplying, grouping or dividing work among the items in your set. Quick quiz: You drove to work at 30 mph, and drove back at 60 mph.