NOTE: You must start the timer in order to check your answers

150 - 70 =
75 + 26 =
98 - 59 =
16 ÷ 2 =
4 × 4 =
27 ÷ 3 =
98 - 49 =
64 + 46 =
16 ÷ 4 =
18 ÷ 3 =