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

   

11 × 8 =
8 × 9 =
80 ÷ 10 =
60 ÷ 5 =
12 × 9 =
9 × 9 =
9561 - 5634 =
4521 + 2719 =
24 ÷ 8 =
11 × 9 = 

 

back mental math | main