Vocabulary
A ratio that compares one part of a group to another part of the same group.
What is a part-to-part ratio?
Two elements arranged in a specific order, often used to represent coordinates in a plane.
What are ordered pairs?
Compare the ratios 3:4 and 18:48. Are these ratios equivalent?
Yes, these ratios are equivalent.
If a ribbon is 120 centimeters long, how many meters long is it?
120 cm÷100=1.2 m
What does (0,0) stand for?
What is the origin?
In a ratio, one of the numbers being compared is called...
What is a term?
Which quadrant is the coordinate (2, -1) in?
What is the 4th quadrant.
Compare the ratios 7:9 and 14:27. Are these ratios equivalent?
No, these ratios are not equivalent.
A bottle holds 2 liters of water. How many milliliters is that?
2 L×1000=2000 mL
On a map, 3 inch represents 15 miles. If two cities are measured to be 12 inches apart, what is the actual distance between them?
15/3=5
5x12=60
60 inches apart
A rate that compares a quantity to one unit of another quantity. It tells you how much of something happens in 1 unit of time, distance, etc.
What is unit rate?
PLOT THIS!!
(3, -4)
Graph the ordered pair.
Ms. Harris takes 124 minutes to make 8 meals, how long does it take her to make one meal? What is the unit rate?
No, these are not equivalent ratios.
Zoe rode 2 kilometers on her bike, Ja'niyiah rode 3000 meters, who rode the furthest on their bike and by how much further.
Ja'niyiah rode 1000 meters further than Zoe.
Mental Math! No calculators!
What is 145 + 294
145 + 294 = 439
The process of multiplying each quantity in a ratio by the same number to obtain equivalent ratios.
What is Scaling?
PLOT THIS!!
(-4,2)
Graph the ordered pairs.
Simplify this ratio! What's a strategy we could use to solve this?
3000:18,000
1:6
Jermey wants to send a box of oranges to a friend by mail. The box of oranges cannot exceed a mass of 10 kg. If each orange has a mass of 200g, what is the maximum number he can send?
10,000kg/200g=50 oranges
Name 3 strategies to describe how two quantities are related. You have 15 seconds
double number line, ratio table, tape diagram, graph, etc.
The process of changing the value of one form to another for example inches to millimeters, or liters to gallons
What is converting?
Without looking at the chart, say the four quadrants and their ordered pairs.
Quadrant 1- (+,+)
Quadrant 2- (-,+)
Quadrant 3- (-,-)
Quadrant 4- (+,-)
Define what a simplified ratio is in your own words.
A fraction is considered simplified if there are no common factors in the numerator and denominator.
An extended length movie can reach up to 3 hours and 45 minutes . How many seconds long is that?
3 x 60 = 180 and 45 x 60 = 2,700
180 x 60 =10,800 + 2,700
10,800 + 2,700 = 13,500
Without looking at the cheat sheet, how many inches are in a foot, and how many feet are in a yard
12 inch = 1 foot
3 feet = 1 yard