Fun With Math

Pick a number between 1 and 63 and I will guess what number you picked.
Just follow the instructions and click Yes or No for each question.

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Ready?

Start

 

 

 

 

 

Is the number you picked on this grid?

1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

41

43

45

47

49

51

53

55

57

59

61

63

                                                    Next StepNext Step

 

 

 

 

 

 

 

 

 

 

Now see if  the number is on this grid

2

3

6

7

10

11

14

15

18

19

22

23

26

27

30

31

34

35

38

39

42

43

46

47

50

51

54

55

58

59

62

63

                                                     Next StepNext Step

 

 

 

 

 

 

 

 

 

 

How about this one? Is your number here?

4

5

6

7

12

13

14

15

20

21

22

23

28

29

30

31

36

37

38

39

44

45

46

47

52

53

54

55

60

61

62

63

                                                      Next StepNext Step

 

 

 

 

 

 

 

 

 

 

Look for your number again! Is it here?

8

9

10

11

12

13

14

15

24

25

26

27

28

29

30

31

40

41

42

43

44

45

46

47

56

57

58

59

60

61

62

63

                                                     Next StepNext Step

 

 

 

 

 

 

 

 

 

 

Is Your number on this grid?

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

                                                     Next StepNext Step

 

 

 

 

 

 

 

 

 

 

And Finally, is the number you picked on this grid?

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

                                                 Do it again Start Again