Ratios and Ratio Relationships
Give 3 examples that are equivalent to 5:6
10:12
15:18
20:24
If I traveled 15 MPH for 5 hours, how far did I travel?
I traveled 75 miles.
What is the LCM of (6,7)?
LCM=42
What is an integer?
A whole number, negative or positive, including 0.
What does absolute value mean?
The distance of a number from 0
Write the ratio 8:15 as a fraction.
8/15
Seasons is having a sale- $4 for 5 apples,
Arons is also having a sale- $3 for 4 apples.
Which store has a better deal?
Seasons is $0.80 per apple, Arons is $0.75 per apple, so Arons has a better deal.
What is the GCF (20,55)?
5
What is a rational number, and what is an exmaple of an irrational number?
A rational number can be a decimal that ends or repeats, fraction, or whole number, negative or positive. Pi is an irrational number.
Write an inequality using -6 and -7?
-6>-7 or -7<-6
At the bakery, some customers ordered cakes with fondant on their cakes while others had frosting. This week the ratio of customers who ordered cakes with fondant to those who ordered with frosting was 7:9. If there were 56 people who had cake with fondant, how many people had frosted cakes?
72 people had frosted cakes.
25% of the students like the color pink better, and 45 of the students like the color purple better. How many students are there in total?
60 students in total
Find GCF of (36,60).
GCF=12
What is the opposite of -5 6/7?
5 6/7
What is the absolute value of l-5l?
5
Chaya was making a smoothie and the recipe said for every 1 plum, she needed 15 grapes. If she uses 9 plums, how many grapes did she use?
She will need 135 grapes.
Shifra has a coin collection. She keeps 9 of the coins in a jar which is only 12% of her entire collection. What is the total number of coins in the collection?
She has 75 coins in her collection.
Find the LCM of (6,8).
24
A scuba diver is 625 feet below sea level. What integer indicates his height?
-625
What is an equivalent expression to l-8l - l-3l?
8-3
The sixth grade of Bnos Malka has a mathematics competition. For every 3 competitions they won this season, they lost 2. If there were 100 games this season how many games did they win?
They won 60 games.
Leah earns $168.00 by selling 48 donuts. Using the same rate for the cost of one donut, how many more donuts would Leah need to sell to earn a total of $189.00?
6 donuts
Using prime trees, find the GCF (32,42)
GCF: 2
LCM: 672
Order these numbers from least to greatest:
-5/6, 7, 8, -9, 1/6, -4 2/6, 0
Least to Greatest: -9,-4 2/6,-5/6,0,1/6,7,8
What is the absolute value of 9876?
The absolute value is 9876.