Miscellaneous
The set of whole numbers and their opposites.
Integers
Compare the integers using <,>, or =.
0 ____ -6
> or greater than
l-20l
20
-22 + 6 =
-16
Find the difference. Write as an addition expression if necessary.
4 - 7 =
-3
The same distance from 0 on a number line as the original number, but on the other side of 0.
Opposite
The temperature was -4 oF at Matthew's house and -8 oF at Justin's house. Where was the temperature warmer?
Matthew's house was warmer.
l25l
25
31 + (-20) =
11
Find the difference. Write as an addition expression if necessary.
-4 - 21 =
-25
A number's distance from 0 on a number line.
Absolute Value
Compare the integers using <, >, or =.
l-3l ___ 3
= or equal
What is the opposite of l28l?
-28
-13 + (-6) =
-19
Find the difference. Write as an addition expression if necessary.
12 - (-6) =
18
Explain how to compare 2 integers.
Plot the integers on a number line. The number that is further to the left is less than the number to the right.
Order the integers from least to greatest.
-7, -9, -2, 0, -5
-9, -7, -5, -2, 0
What is the opposite of l-29l?
-29
The math club's income from a bake sale was $217. Expenses were $32. Use integer addition to find the club's total profit or loss.
217 + (-32) = $185 profit
The high temperature for the day was -1 oF. The low temperature for the day was -5 oF. What was the difference between the high and low temperatures for the day?
-1 - (-5) = 4
Explain how to solve an integer subtraction problem.
Write the subtraction problem as an addition problem and follow the rules for adding integers.
Order the integers from least to greatest.
-3, 2, -5, -6, 5
-6, -5, -3, 2, 5
Donna says l5l and l-5l are the same number.
Alexa says l5l and l-5l are different numbers.
Christina says l5l and l-5l both equal zero.
Who is correct? Why?
Donna because absolute value is the distance from 0 on a number line and distance can never be negative.
A submarine submerged at a depth of -40 ft dives 57 ft more. What is the new depth of the submarine?
-97 ft
Climax, Colorado is the highest town in the U.S. at 11,560 ft. The lowest town is Calipatria, California, which is 185 ft below sea level. What is the difference in elevation?
11,560 - (-185) = 11,745 ft