Today you need:
dry erase marker
one eraser per group
What two things we are comparing: Two pools are leaking. After 15 minutes, pool A has leaked 2/3 gallon. After 20 minutes pool B has leaked 3/4 gallon. Which pool is leaking faster?
dry erase marker
one eraser per group
What two things we are comparing: Two pools are leaking. After 15 minutes, pool A has leaked 2/3 gallon. After 20 minutes pool B has leaked 3/4 gallon. Which pool is leaking faster?