Make10 Expert

How to play Make10 Expert

　１．It will Become a game start if you touch a "Start"
button.

　２．Please make 10 using all of four displayed numbers.

　３．The method of calculation dose not have restrictions.
Pleas use either of the four operations. (The
calculationmethod which is not used may occur.)

For example, when 4,3,2 and 1 are displayed, 10 is
made as follows.

　　　・④＋③＝７　②＋①＝３　７＋３＝１０
　
　　　・④×②＝８　③－①＝２　８＋２＝１０
　
　　　・④×③＝１２　１２－②＝１０　１０÷①＝１０

Since 10 is made as a result, these become a correct
answer altogether.

４．The turn using a number may differ from the displayed
turn.

　５．The number below the decimal point of the answer of
division process becomes effective.Therefore, the
following calculations become an inaccurate solution.

　　・⑥×⑤＝30 30＋①＝31　31÷③＝10.333･･･

It will not be set to 10 if you make a mistake in the
order of division and multiplication.（The following
patterns）
　　　
　　　・④×⑤＝20　20÷⑥＝3.333････　3.333×③＝9.999･･･　　　　　
　
Feature of Make10 Expert

１．10 can certainly be made.

２．It is one set in ten questions.

３．When all the problems are completedwitkin 200 seconds,
you can gain time score 50 full marks. It will become
zero point if it takes 300 seconds or more.

　４．When 10 can never be made, please touch the "Give up"
button. Four numbers of the next question are
displayed.

　５．Please touch a "Retry" button, when you can think that
you cannot make 10. The problem can be performed from
the beginning. Moreover, a calculation score is not
affected even if you repeat and touch a "Retry"
button.

　６．A score is displayed after calculation of all
questions finishes.

　７．A "Answer" button will be displayed if you have
touched the "Give up" button.

８．A touch of a "Answer" button will display the model
reply of the ploblem which you gave up.

Those who should do a Make10 Expert

　All the ages.

　Please use for the rise of calculation ability and
foresight.