Absolute value, (<,>), and order
48
Daily double
-16 + 17 =
= 1
Multiply the integers
(-3)·(2)
What is -6?
Daily triple
What is another word for opposites?
Additive Inverse
Point wager
Bob withdrew a total of $145 from his bank over 5 days. How much does his bank account change by each day.
His bank account went down $29 each day.
−4 · 2 + 1
-7
-5______-10
>
Subtract the integers
-5-7
What is 2?
Daily triple
Multiply the integers
(3)·(-6)
What is -18?
A negative times/divided by a negative =
Positive
Every hour for the next 8 hours, the temperature is going to drop 3 degrees. By how much will the temperature change?
The temperature dropped 24 degrees.
or The temperature changed by -24 degrees.
Point wager
−4 + 5 − 6 − 7
-12
Daily double
What is the absolute value of |x|
x
Subtract the integers
6-(-4)
What is 10?
(-7)·(-7)
What is 49?
What is absolute value?
The distance a number is away from 0. (always positive)
Bob has a balance of $320 in his account. He pays a bill for $150, buys sneakers for $60, and then writes a check for $200 for a school trip. What will be his balance after all of these transactions?
Bob's balance will be -$90 after all the transactions.
12 ÷ (2 − 4) − 6
-12
Put in order from least to greatest
-2, 10, -4, 3, -5, 1
-5, -4, -2, 1, 3, 10
add the integers
-5 + (-13)
-18
-72/9
-8
Which situation will result in a final value of zero?
a:The overall change in temperature when the temperature goes from -10 to 10
b: The total profit made when a person buys an item for $2.25 and then sells the item for $2.25
c: The overall change in altitude of a hot air balloon after rising 21 kilometers from sea level.
d: The total distance a person travels when he bikes 3 miles to school and then bikes 3 miles back home.
B.
-$2.25 + $2.25 = 0.
In Chicago it was -3 degrees, while in Dallas it was 45 degrees. How much colder was it in Chicago than in Dallas.
It was 48 degrees colder.
(28 ÷ 4 ) + 3 + ( 10 - 8 ) · 5
20
What are opposites? Give an example and how they are related.
Opposites are two numbers that are the same distance away from 0, but are on opposite sides.
Ex. -5, and 5. They are related because they have the same absolute value.
Subtract the integers
3 - (-9) =
12
-35/-7
5
What is the commutative property?
You can change the order of the numbers when adding or multiplying.
-5 ·(-5) divided by 5
What is 5?
3 - [6 ÷ 3] 2 · 2
-2