Lets start easy: 2 + 5 = ?

  4
  5
  6
  7
  8

17 - 9 = ?

  6
  7
  8
  9
  10

8 x 7 = ?

  42
  48
  56
  60
  64

34 / 8 = ?

  4
  4,25
  4,5
  4,75
  5

8^2 = ?

  4
  16
  32
  64
  128

√256 = ?

  4
  8
  16
  32
  64

Be careful, its getting harder!

2^6 + 4^3 = ?

  32
  64
  128
  256
  512

4x + 15 = 23 [find x = ?]

  1
  1,5
  2
  2,5
  3

2(x+26) = 50 [x = ?]

  -2
  -1
  0
  1
  2

Almost done! You can do it!

√192 = ?

  6√2
  6√3
  8√2
  8√3
  None of them above

√128 + 2√32 = ?

  16√2
  4√32
  2√128
  8√8
  All of them above

Extra credit! Did you enjoyed the test?

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