Ratios
What are the three ways to write a ratio?
Colon
"to"
Fraction
Percents are fractions with denominators of what?
100
Tanya worked 11 hours and made $341. What is her hourly rate?
$31 per hour
Name two ways you can divide a fraction.
Tape Diagrams
Common Denominators
Invert & Multiply (Keep, Change, Flip)
What is the opposite of -64?
64
Sarah has 15 blue beads and 12 green beads. What is the ratio of Sarah’s green beads to blue beads?
12:15
or
4:5
What is 0.74 as a fraction and a percent?
74/100
74%
A baker uses 2 pounds of sugar to bake 72 cookies. How many cookie can he bake if he uses 12 pounds of sugar?
432 cookies
What is 2 1/2 divided by 1/4?
10
What is |-30| ?
30
Your job is to sort and bag pencils for sale. A bag contains 24 pencils some red and some yellow. If there are 10 red pencils, what is the ratio of red pencils to yellow pencils.
10:14
What is 67.5 % of 200?
135
Which is the best deal for oranges?
2 pounds for $7
1 pound for $4
4 pounds for $13
4 pounds for $13
$3.25 per pound
How many 2/3 servings are in 30/3 cups?
15 servings
Which quadrant has a positive x-coordinate and a negative y-coordinate?
IV
The ratio of Ethan’s green trucks to blue trucks is 3:7. Ethan has 9 green trucks. How many blue trucks does Ethan have?
21 blue trucks
48 out of 60 students like ice cream. What percent of students like ice cream?
80%
Carlei is driving 800 miles to her vacation destination. She covers the first 320 miles in 4 hours. At the same rate, how long will it take her to cover the entire distance?
10 hours
Rewrite 40+88 using GCF and the distributive property.
8(5+11)
What two opposite numbers are 38 units away from each other on the number line?
19 and -19
In Joe's recipe for kool-aid the ratio of sugar to water is 2 to 4. People are complaining that the kool-aid is not sweet enough. Which ratio would make the kool-aid SWEETER?
Answers will vary..
*more sugar*
3:4
4:4
75% of 200 students passed their math test. How many students did not pass?
50 students
Chelsea uses 12 inches of ribbon to make one scarf. She buys 3 yards of ribbon. If she uses all of the ribbon, how many scarve's can Chelsea make?
9 scarves
Rewrite 13(7+8) as an expression by using the distributive property.
91+104
Explain how to reflect across both the x and y axes.
Change both the x and y coordinates to their opposites.