Ratio Concepts
Shelia makes stuffed peppers. The model shows the ratio relationship for the ingredients. What is the ratio of cups of rice to peppers? Write the ratio all three ways.
Peppers: x x x x x
Rice: O O O O O O O
7 to 5
7 : 5
7 / 5
Mallie's car dealerships expects to sell 18 cars every 6 days. How many days does the dealership expect that it will take to sell 90 cars?
30 days
Hoffman and Nearman practice archery. Hoffman hits the target 3 times for every 5 misses. Nearman hits the target 5 times for every 7 misses. Who hits the target more?
Nearman
(Hoffman hits 9 out of 24 total & Nearman 10 out of 24 total)
Move 2 units ______ and 6 units _______.
origin, up, right
How many siblings does Ms.Nearman have?
2
George makes a bracelet with 10 beads. The table shows the number of beads of each color on the bracelet. Which statment is true?
Color Number of BeadsGreen 2
Red 5
A) The ratio of green beads to red is 5:2
B) For every 3 blue, there's 2 red
C) The ration of green beads to total beads is 2 : 10
D) For every 5 red beads, there are 5 total beads on the bracelet
C) The ration of green beads to total beads is 2 : 10
John uses yellow chairs and purple chairs to set up for an assembly. The ratio of yellow to purple chairs is 7 to 3. How many yellow and purple chairs will he use if he sets up a total of 80 chairs?
56 yellow and 24 purple
1. Andrew needs half as many needles as spools of thread.
2. Andrew needs 4 fewer needles that spools of thread.
First statement is always true. There are always 4 needles for 8 spools of thread.
1. is always true no matter how many kids are made.
2. is only true when Andrew is making on kit
Where would the points end up on a coordinate plane?
1. (-2, -5)
2. (8,0)
3. (-12, 18)
1. Quadrant 3
2. x-axis
3. Quadrant 2
What is Ms. Nearman's favorite food?
Pasta
Ms. Jenkins puts fish in a pond. For every 6 bluegill fish, she puts in 1 rock bass fish. Does this ratio mean that Ms. Jenkins puts exactly 6 bluegill into the pond?
No-- for every 1 rock bass fish, she puts in 6 bluegill fish. If she puts more bass, she will put more bluegill.
A gardener mixes water and fertilizer in the ratio of 4:1. If she needs to make 15 liters of the mixture, how much water and how much fertilizer will she use?
12 liters of water, 3 liters of fertilizer
Hannah and Brianna are chefs. They make similar sauce. Sauce contains tomato juice and lime juice. Whose sauce has the stronger lime flavor?
Chef Tomato Jucie Lime Juice
Hannah 14 4
Brianna 19 5
Hannah has stronger lime flavor.
Need to set the totals to 72 and compare.
The ordered pairs below show the relationship between the number of hours Meghan spends knitting and the number of squares completed for a blanket. How many hours does it take for Meghan to knit 265 squares? Write as an ordered pair.
(3, 15), (6, 30), (9, 45)
(53, 265)
What is Ms. Nearman's favorite holiday?
Fourth of July
Molly's flower bed has 3 types of flowers. There are 7 lilies, 5 tulips, and 6 roses. What does the ratio 5:13 represent in the situation?
Number of tulips to the total
Fill in the ratio table.
Hours Miles
2 x
3 120
x 200
7 x
2:80
5:200
7: 280
To make spicy ketchup, Josh needs 6 oz of hot sauce for every 7 oz of ketchup. To make spicy mustard, he needs 5 oz of hot sauce for every 6 oz of mustard. Josh has 150 oz of hot sauce. Can he make more spicy ketchup or mustard?
Spicy mustard
Ketchup: Mustard:
6:7 --> 150:175 5:6 --> 150:180
A store sends boxes of flowerpots to a nursery. There are 192 flowerpots in every 32 boxes. Write ordered pairs for how many flowerpots there are for shipments of 3, 6, 12, 18, and 24 boxes.
(Hint: boxes= x-axis, flowerpots= y-axis)
(3,18), (6,36), (12, 72), (18,108), (24,144)
Where did Ms. Nearman go to college?
University of South Dakota
A recipe for making cookies calls for 3 cups of sugar for every 5 cups of flour. If Sarah wants to make cookies using 15 cups of flour, how much sugar will she need?
9 cups of sugar
A hardware store sells toolboxes. The table shows the types of tools in each toolbox. Becca says that for every 14 tools in the toolbox there are 2 hammers. Is the true?
Type Number of Tools
Hammer 2
Pliers 5
Screwdriver 6
Wrench 3
No, the total number of tools is 16.
Ms. Gapp buys note cards for her classroom. She gets 4 small note cards for every 1 large. She buys 15 note cards in all. The small note cards cost $0.25 and the large cost $1.50. How much money does Ms. Gapp spend on small cards rather than large cards?
Ms. Gapp spends $1.50 more
Large= 3 x 1.50 = $4.50
Small= 12 x 0.25= $3
4.50 - 3 = 1.50
A store ships boxes of potted plants to a garden center. There are 240 potted plants in every 40 boxes. Write ordered pairs for how many potted plants there are for shipments of 5, 10, 15, 20, and 30 boxes.
(5, 30), (10, 60), (15, 90), (20, 120), (30, 180)
What was the mascot from Ms.Nearman's high school?
EPJ Huskies