You can see the way the computer calculated the result by clicking theĮxpression above the target number. Note the number is always attainable and obviously there might be more than one way to get the result. The aim of the game is to use the operators Ã,+,- to reach the number When the spinners have stopped you will see a The rule guess game is not too dissimilar to the countdown game shown on British TV. There is also an option to not allow negative numbers occuring in the The game modes use the spinner values, this means that they really require at least two spinners and the challenges are In this mode the controls to change the number of sides on each spinner are visible. For example to generate random numbers, or probabilityĮxperiments. In edit mode, you can use the probability spinner however you want. The slider max value is 12, but if you click on the number you can enter your own manually, although in practiceĥ0 is about the maximum number that visually fit on the spinner. To change the number of sides for the spinners make sure you have selected Initially six sided hexagon spinners are shown which are useful Number selector in the top right hand corner. You can change the number of spinners shown by clicking the Produce a result using addition, subtraction, multiplication and division. With the built in activities you can practice BODMAS, algebraic substitution or challenge students to find the rule to These can be used as random number generators The spinner activity can display up to four spinners.
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