1.1
What is the definition of Absolute Value?
The distance between a number and zero on a number line
Solve 5+(-4) using integer counters. Show your work.
+++++
+ - - - -
___________
+1
Evaluate: 5-22
-17
A balloon descends 600 feet every minute. What is the balloon's change in elevation after 6 minutes?
-600 (6) = -3600 feet
You owe your friend $81. You pay him back over the next 9 days. Model and evaluate the expression that represents the average amount of money you pay back to your friend.
-81 / 9 = -9 dollars a day for 9 days
What is the definition of Integer?
An integer is any whole number including all positive numbers, negative numbers, and zero.
When adding POSITIVE integers, move ______. When adding NEGATIVE integers, move _______.
Positive = Right
Negative = Left
Evaluate 9-16-9 using a number line.
-34
(-7)(-4) =
28
Find the quotient: -32 / (-4)
= 8
-5 < 7
What is another term for the "opposite" of a number?
Additive Inverse
The highest elevation in California is 3927 ft. The lowest elevation is -444 ft. Find the range in California's elevation.
4371 ft
-10(-6)(5) =
300
-33 / 11 =
-3
Order the values from least to greatest: 8, |-4|, 0, |5|, -2.
-2, 0, |-4|, |5|, 8
-13+27+(-18) = ________
Show your work on a number line.
-4
The floor of the shallow end of a pool is at -3 feet. The deep end is 11 feet deeper. What is the depth of the deep end? Write an expression to represent this question and solve.
-3 + (-11) = -14
(-7)2
(-7)(-7) = 49
An alligator population in a nature preserve decreases by 60 alligators over 5 years. What is the mean yearly change in the alligator population?
-60 gators / 5 years = -12 alligators per year
Order the values from least to greatest : |-9|, |-2|, |5|, |1+3|, -|-6|
-6, 2, 4, 5, 9
Your bank account balance is $400. Monday, you go to the store and buy groceries for $150. On Tuesday, Ms. P-T gives you a gift of $600. On Friday, your dog gets sick and you have to take it to the vet, which costs you $550. How much money do you have left? Show the change in your balance on a number line.
$400 + (-150) + 600 + (-550) = $300
The lowest temperature ever recorded in Oklahoma was -26 degrees F. The highest temperature ever recorded was 117 degrees F. What is the range of these temperatures? Show your work.
117 - (-26) = 143
-93 =
-729
A company loses $780 as a result of a shipping delay. The 6 owners of the company must share the loss equally. Write and solve an equation to show the change in profit for each owner.
-780 / 6 = -130. Each owner loses $130.