Number line
Mobiles
Who am I?
Number Line with Variables
Distance
100

<----l----l----l----l----l----l----l---->

       ?    -6   -3   0    3     ?    ? 

-9,6,9

100

Is one side heavier than the other?
       ____________
      54                  56
      23                  20

Left is heavier

100

I am odd                                    t       u

I am less than 30

t-u = 0

Both of my digits are perfect squares

t=1 u=1

100

<----l----l----l----l----l----l----l---->

      b-3        ?    b   b+1  ?     b+3

b-1, b+2

100

What is the distance between -20 and 5

25

200

<----l----l----l----l----l----l----l---->

      -4          0                6    8 

-2,2,4

200

        ____________
      61                   N
      89                  90

61 + 89 = N + 90

N = ?

60

200

The sum of my digits is 14

both of my digits are even

my units digit is greater than my tens digit

t=6 u=8

200

If x+5 = 3 what does x =?

-2

200

What is the distance between 60 and -20

80

300

<----l----l----l----l----l----l----l---->

     -60   ?    ?     0    ?    40   ?

-40,-20,20,60

300

        ____________
      34                  30
      w                  200

34 + w = 30 + 200

w = ?

196

300

I am a perfect square

I am an even number

t+u=8

t=1 u=6

300

If a - 15 = -25 what does a =?

-10

300

What is the distance between -103 and 6

109

400

<----l----l----l----l----l----l----l---->

       ?     ?    ?   -30   ?    ?   -15

-45,-40,-35,-25,-20

400

       ____________
      103                250
      248                p

103 + 248 = 250 + p

p = ?

101

400

My tens digit is even

The sum of my digits is 11

My units digit is less than my tens digit

My tens digit is five more than u

t =8 u=3

400

If h + 35 = 50 what does h =?

15

400

What is the distance between -27 and -13

14

500

<----l----l----l----l----l----l----l---->

       ?    0     ?    ?    9   ?     15

-3,3,6,12

500

               30
___________________
t                                 t
t                                 t
t                               ____
t                              s      m
t                                      m
                                       m

t=?    s=?   m=?

6,9,3

500

I am an odd number

both of my numbers are Prime numbers

I am greater than 50 and less than 90

t*u = a perfect square

t=7 u=7

500

If x - -2= 9 what does x =?

7

500

What is the distance between -33 and 54

87

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