![]() The other essential part of the setup is to type your More of a showy reveal, written on the back of a picture hanging in the room. Your prediction can be sealed in an envelope or, for This should be done before the class haveĪrrived for their lesson. To set up the trick you need to have previously chosen the Irrespective of what numbers theyĬome up with the product will be the same as the number you had previously The effect is that pupils come up with random two and threeĭigit numbers which you multiply together. Though other calculators may have the same way of working and could also be This trick works best on the standard iPhone calculator You then reveal your prediction and all are amazed! iPhone Calculation You say something like "I think that'sĮnough to ensure many of you have contributed to selecting the class' chosen Your board should now look likeĬan you see how by deciding to put the students' numbers inĮither the top or bottom rows you are zooming in on the target number?Įventually one of the students will offer the target number. Let's imagine the next five students you pick at random The next number you ask for has to be between 1 and 40 (the ![]() ![]() Let's imagine the student offers the number 40. Target number you replace the bottom number with the student's number, otherwise If the student offers a number which is larger than the So the trick begins with you asking a student at random toĬhoose a number between 1 and 100 which you have written on the board like this: Easy for you to remember as it is normal human body temperature (you knew Your prediction can be sealed in anĮnvelope or, for more of a showy reveal, written on the back of a pictureįor the purposes of this explanation the target number isģ6.9. Number and write this down as your "prediction"! This should be done before theĬlass have arrived for their lesson. To set up this trick you need to firstly choose the target Selection of a number which the teacher had predicted in advance. The effect is that the class all contribute to the free
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