This goal has the following fine print specified by dehowell:
Activity must be 10 contiguous minutes or longer to count.
Walking and other low-intensity cardio counts 1:1, running and other high-intensity cardio counts 2:1, as described in this Lifehacker article on fitness guidelines:
https://vitals.lifehacker.com/how-much-exercise-do-i-really-need-1823708126
If there is a mix of low intensity and high intensity, then count 2x the time in HR zones 2 and above.