A number's distance from zero on the number line is...
ABSOLUTE VALUE
100
Ratios compare two or more numbers by what operation...
DIVISION
100
Name the two different methods to determine if ratios are proportional...
-Cross Multiplication
-Simplification
200
(-9) + 3 + (-14)
-20
200
If X is less than or equal to -12, give two numbers that X could be...
-12 or any number to the LEFT of -12 on the number line
200
The numbers that live to the left of zero on a horizontal number line...
NEGATIVE NUMBERS
200
The local baker sells pumpkin pie at a special price: 3 pies for $15. What is the price of 1 pie?
$5
200
Are these ratios proportional?
12: 3 and 70: 14
NO
Simplification method--
4: 3 and 5:1
Cross Multiplication method--
168 = 210
300
125 divided by (-10) =
-12.5
300
Put these numbers in order from GREATEST to SMALLEST
41 -10 -100 52 -5 9
52, 41, 9, -5, -10, -100
300
This compares 2 quantities of different units
RATE
300
At the MHBA multicultural lunch there are 3 trays of mac and cheese, 2 bowls of potato salad, 5 turkeys, and 10 different types of soda.
Write a ratio for the number of turkeys to the number of mac and cheese trays.
5:3
300
If I need 2 jars of cranberry sauce for every 10 people at Thanksgiving dinner, how many jars of cranberry will I need for 15 people?
3 jars of cranberry sauce
400
(7)(-3) + 9 - 230 =
-242
400
Name a possible number that X could be if
-5 < X < 10
Any number between -5 and 10
400
This compares a quantity of a unit to 1 quantity of a different unit...
UNIT RATE
400
At the MHBA multicultural lunch there are 3 trays of mac and cheese, 2 bowls of potato salad, 5 turkeys, and 10 different types of soda.
Write a ratio for the number of sodas to the total amount of food
10: 10
400
MHBA is having a pie eating contest! Below are the scores for 3 participants. Are values proportional?
Pies Eaten Time (in minutes)
3 6
5 10
6 12
YES.
All ratios simplify to 1:2-- 1 pie eaten for every 2 minutes
500
7+ 10(-9)(2) - (-7)
-166
500
Graph on a number line X < 2
open circle on 2, shading to the left of 2
500
When adding or multiplying, the order of the numbers does not matter. This is because of...
THE COMMUTATIVE PROPERTY
500
14: 3
Create a real-life Thanksgiving day situation that could be represented by this ratio
...
500
3x = 10
What is the "3" in this expression?
What is the "x" in this expression?
How would you isolate the X?
3 is the coefficient
X is the variable
You would isolate the variable (x) by dividing both sides by 3.