Do you Know
Write an integer to represent a loss of $50.
What is -$50?
-4 + 15
What is 9?
Is "0" positive or negative?
Neither positive or negative
The opposite of a credit of $20 is ____.
What is a debit/loss of $20?
90 = 90
(The absolute value of 90 is equal to 90.)
The |0| is ___.
What is zero?
-18 - 5
What is -13?
True or false The left side of the number line is less then the right.
TRUE.
The opposite of 400 feet above sea level is _____.
What is 400 feet below sea level?
Order the following from least to greatest: -8, -19, -0, -12, 12
What is -19, -12, -8, 0, 12?
What is 59?
Write an integer to represent a debit of $900.
What is -$900?
What is the opposite of -9 and describe it's location on a number line?
What is positive 9? It's location is 9 units to the right of (or above) zero.
Write a statement comparing −10℉ and −20℉.
−10℉ is warmer than −20℉.
True or False: As you approach zero from the left on the number line, the integers increase, but the absolute values of those integers decrease . This means that the order of negative integers is opposite the order of their absolute values.
36 - 40 + |25|
What is 21?
Write an integer that represents a loss of 10 yards.
What is -10?
Mr. Cordova wrote −(−$800) on the board, and said, “The opposite of the opposite of $800 is $800.” Is his reasoning correct? Explain.
Yes, he is correct because the opposite of 800 is -800, and the opposite of that is 800.
Karen, Dulce, and Sayuri are playing a card game. Their scores are as follows:
Karen: -1, Dulce: -2, and Sayuri: -4. Who won? Who came in last place? Explain.
Karen won because -1 is greater (closer to zero). Sayuri came in last place because -4 is smallest (furthest away from zero).
In math class, Eric and Jesus are debating about integers and absolute value. Eric said two integers can have the same absolute value, and Jesus said one integer can have two absolute values. Who is right? Explain.
-8 - -10 - 15 + |26|
What is 13?