(4) During the day the temperature in Tom's greenhouse
increases from -5 °C to 5 °C. What is the rise in temperature?
(5) The temperature this morning was -6 °C. This afternoon, the
temperature dropped by 4 degrees. What is the new
temperature?
(6) Draw a number line from -5 to 5. Write down the integer that
is halfway between the two numbers in each pair below.
a. 1 and -5
b. 5 and 1
c. -3 and 5
d. -3 and -5
(7) The difference between two temperatures is 3 degrees.
One temperature is 2°C.
What is the other temperature?
T
-5
-4 -3 -2
-1
The Number Systems
4
5
Road