Math: Addition - Timed Drills
Check your answers by going to the Drills Answer Key in the Some Helpful Tools section at the bottom of this page. When you have mastered 2 minutes, try again for 1 minute.
Time yourself for two minutes. To begin, use the left button on the mouse to select "2:00" on the timer. Hit the Set Button followed by the Start Button. The timer will ring when your time is up.