It was -2 degrees this morning but by afternoon it was 21 degrees. What was the change in temperature?
3 points
23 degrees
19 degrees
-23 degrees
-42 degress
The change in temperature is calculated by subtracting the morning temperature from the afternoon temperature:
21 degrees - (-2 degrees) = 21 degrees + 2 degrees = 23 degrees
Therefore, the change in temperature is 23 degrees.