1 EASY Which is largest: -4 or 4? -44They are equalImpossible to determineNone of the above

 2 EASY Which is largest: 0 or -5? 0-5They are equalImpossible to determineNone of the above

 3 EASY Which is largest: -10 or -3? -10-3They are equalImpossible to determineNone of the above

 4 EASY Which is largest: -0 or 0? -00They are equalImpossible to determineNone of the above

 5 MEDIUM Which is largest? -2, -15, -23, -6, -35 -2-15-23-16-35

 6 MEDIUM Which is smallest? -23, -74, -3, -0, 0 -23-74-3-00

 7 HARD $$(-13) - (-25) =$$ -3813-121238

 8 HARD $$(-19) + (-25) =$$ 44-446-635

 9 HARD $$(-13) - 62 =$$

 10 HARD $$72 + (-94) =$$