read this word problem. on a cold february morning, colton checked the temperature on his phone and saw that…
read this word problem. on a cold february morning, colton checked the temperature on his phone and saw that it was -3°c. when he checked again after school, the temperature had dropped 3°c. what was the temperature after school? to solve the problem, ellen subtracted -3 - (-3) and came up with an answer of 0°c. is ellen correct? why or why not? yes, ellen is correct. no. ellen should have added -3 + 3 because she needed to add the starting temperature and the change in temperature. no. ellen should have subtracted -3 - 3 because the temperature started at -3°c and dropped 3°c.
Answer
Explanation:
Step1: Identify the initial temperature and change
Initial temp is -3°C, drop is 3°C.
Step2: Determine the correct operation
A drop means subtraction. New temp = -3 - 3.
Answer:
No. Ellen should have subtracted -3 - 3 because the temperature started at -3°C and dropped 3°C.