Opposite Integers
Opposite of -4
What is 4?
The absolute value of -9
What is 9?
-13+8=
What is -5?
17-33=
What is -16?
At the beginning of a science experiment, Betty had 40 milliliters of solution. During the experiment, the change in the volume of the solution was –11 milliliters.
What is the final volume of the solution?
40+(-11)=29 mL
Opposite of 13
What is -13?
The definition of absolute value
What is the distance of a number from zero?
21+(-7)=
What is 14?
-2-18=
The temperature when Spencer arrived at school was a very chilly –4°F. By the time school got out, the temperature had risen by 13°F.
What was the temperature when school got out?
-4+13= 9 degrees
Opposite of 7
What is negative 7?
The absolute value of 2 + the absolute value of 7
What is 9?
-35+(-9)=
What is -44?
62-(-45)=
What is 107?
In the early spring, the trout at Big Blue Lake swim at a depth of 30 feet below sea level. When the lake warms up in the summer, the trout swim 20 feet deeper than that.
At what position relative to sea level do the trout swim in the summer?
-30-20= -50 ft
A number that is neither positive or negative
What is Zero?
If Erin's house is 6 miles from school and Max's house is 4 miles from school in the opposite direction, how many miles is it from Erin's house to Max's?
10 miles
8+(-14)=
What is -6?
-53-(-28)=
What is -25?
On New Year's Day, the temperature in Chicago was 5°F. That same day, the temperature in Minneapolis was –1°F.
How much warmer was it in Chicago than Minneapolis?
5-(-1)= 6 degrees
Additive Inverse
What is the concept that adding opposite integers equals zero?
The negative symbol is outside of the absolute value bars.
What is the only time absolute value is negative?
-22+4=
What is -18?
-87-14=
What is -101?
Kylie is studying the change in the water level of Sweetgum Pond as part of a summer science experiment. In the first week of June, the water level was –4 centimeters. The next week it stormed almost every day, so the water level rose by 7 centimeters.
What was the water level after the first two weeks of June?
-4+7=3 cm