Are you ready to test your mental math addition skills? You will have 60 seconds to answer as many addition problems as you can. Instructions: Click the Go Button to start Enter your answer and press ENTER or click the checkmark to submit. If you see an X that means the answer is wrong so try again.
Made this for my Outschool class: https://outschool.com/classes/easy-simple-mental-math-addition-flex-4hwuGaxO#usMrlvQXmc
