![]() You'll get a bronze medal when you complete a level 2 times and a silver medal after 5 completed rounds. The maximum number of points (24 knowledge points) is achieved when you pass all 12 levels. If you are prone to mental arithmetic, you can of course perform the addition in your head and then move the beads to the right positions.īut then there is also no point in using the abacus!Ĭalculation of knowledge pointsEach completed game level gives 2 knowledge point in Abacus - Addition. No, there are no cheating if you want to learn how to use an abacus efficiently. Is it possible to cheat with calculating on an abacus? One tip is to remember the initial value the abacus had so that you can start over just from there, without having to restart the entire round. This means you have to perform both the switched mentioned above.Īt first it might be difficult to manage the switches and it's really easy to get lost in an exchange. You have to master the following additions to perform a carry with the value of ten: Try to make the switch directly - without switching between the two beads above the beam (which each have the value five). Therefore, a bead from the rod to the left need to be switched. The additions you need to remember in these calculations are:Ĭarrying ten means that there are not enough beads on that rod. There are corresponding levels in the game above, to be able to practice all the difficulties individually or many at the same time.Ĭarrying five means that there are not enough beads in the lower deck of the rod and you need to switch into a bead with the value of five from the upper deck. When you calculate addition on an abacus there are three difficulties you may encounter as described below. If you want to practice subtraction on an abacus there's a well suited game for that! If you do not already know how to use an abacus you are recommended to play the game Abacus - basics.Ī descriptions of how the abacus is built up and the values of the beads, can also be found there. ![]()
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