Integers and Their Opposites
The temperature was -6 degrees Fahrenheit. It rose so that the temperature was 0 degrees Fahrenheit. _________ degrees represents the change in temperature.
6
Is -12.16161616.... a rational number?
yes
Solve: 4 + (-7).
-3
Solve: (-7) - (-4).
-3
Solve: 2/3 + (-1/3).
1/3
Trevor spent $27 and now has no money left. He had $__________ before his purchase.
27
A recipe calls for 1/2 cup of milk. Express the number of cups of milk as a decimal.
0.5 cups
Solve: -3 + 5.
2
Solve: -8 - (-3).
-5
Solve: -1/3 - 4/5.
-1 2/15
What must be true about two integers that combine to equal zero?
What is the decimal equivalent of 9/20?
0.45
Solve: (-2) + (-6).
-8
Solve: -4 - 5.
-9
Solve: 3.1 - 6.3.
-3.2
An elevator goes up to the 7th floor and then down to the 4th floor. What integer represents the change in the floor level?
3
What is the decimal equivalent of 7/9?
0.77777....
Janet deducted $5 on Monday and another $6 on Tuesday from her savings account. What integer represents the total change in her account?
-11
What sign will the answer always be when a positive integer is subtracted from a negative integer?
negative
Solve: 3.5 - (-4.1).
7.6
Sean is exploring a coral reef 91 feet below sea level and Liz is hiking 91 feet above sea level. Who is farther away from sea level?
Neither
What is the decimal equivalent of 1(5/27)?
1.185185185.....
Mario walks 7 blocks from his home to a restaurant. He then walks back toward home for five blocks, where he stops at a bookstore. How many blocks away from home is he now?
2 blocks
Solve: -156 - (-45).
-111
Carter hikes from the top of a hill that is 120 2/3 feet above sea level down into a valley that is 43 2/3 feet below sea level. What is the difference in elevation between the top of the hill and the valley?
164 1/3 feet