hundreds frame vs 1st Calc

Please check the free online-version of the hundreds frame at www.lernsoftware-mathematik.de/prototypen/hunderterfeld.html to see how it works. The learning tool provides a virtual math manipulative for exploring and understanding basic math operations (addition, subtraction). You can manipulate the virtual double-sided counts in a five-structured hundreds frame and observe the effects to the addition or subtraction term. Over the observation and manipulation of multiple representations the child gets a (deeper) unterstanding of the basic math operations. This helps especially children with dyscalculie. The child also get's a visualisation of the place value system. The virtual tool doesn't provide tasks, but it can be used to solve and visualize all school or homework tasks. You can use it as a visual aid. More informationen (german) and free online use of the virtual hundres frame at: www.lernsoftware-mathematik.de/cms/?p=503

„1st Calc“ is an Abacus-style bead frame, that helps primary school children to discover numbers up to 100. It provides them with a visual tool to play with numbers and lets them solve addition and subtraction problems. It is based on the latest math-teaching knowledge and its use contributes significantly to avoid any mathematical disabilities at an early stage and counteract this. „1st Calc“ is an invaluable tool harvesting the children's motivation to use the iPad or iPhone and makes up with a more fun learning experience. FEATURES · Selectable range of numbers: 0 - 20 or 0 - 100 · Bead frame for children · Choose between 4 different colors · Optional live cam view as background We will provide you with further updates. "1st Calc" will then be able to generate addition and subtraction problems, to guide the child through the solution process and to control and diagnose the child's input.