Simplify the following ratio: 13 : 117
1 : 9
The class is baking cookies. Our recipe used 6 cups of flour, 5 cups of sugar, and 2.5 cups of butter. Read each of the following statements and mark them TRUE or FALSE
a. For every 3 cups of flour the class uses 2.5 cups of sugar.
b. For every cup of butter, we use 2 2/6 cups of flour.
a. True
b. False
Marcy drank 7 water bottles while on a 28 mile bike ride. Katie drank 3 water bottles while on a 15 mile bike ride. Who drank more water per mile?
Marcy
When looking for the unit price of an object, what is the unit that we are dividing up ($ or the objects)?
$$$
The farm currently has 3 ponies and 4 cows. Write a ratio table that shows a total of 4 ratios that are equivalent to the current ratio of ponies to cows.
Examples of possible ratios that could have been in your table: 6 : 8 , 9 : 12 , 12 : 16, 36 : 48, etc.
The winning team of the dodgeball tournament had 12 boys and 10 girls. What is the simplified ratio of girl players to boy players?
5 : 6
A student is asked to convert 0.6 to a fraction and a percent.
Student work:
0.6 = 6 / 100 = 3 / 50
0.6 = 6 / 100 = 6%
True or False: This mistake is best classified as a conceptual error.
TRUE. The student does not understand the relationship between decimals and place value.
Not computational: No calculation was performed incorrectly
Not procedural: The student attempted the correct process
Not careless: There is no evidence of a simple slip, typo, or copying mistake. They used 6/100 twice.
A train travels 240 miles in 4 hours.
Student Work:
4 ÷ 240 = 1 / 60 miles per hour
Question:
What mistake did the student make? Find the correct unit rate and explain your reasoning.
The student divided hours by miles instead of miles by hours. To find miles per hour:
240÷4=60
The correct unit rate is 60 miles per hour.
An international phone call costs $14 for 4 minutes. How much do you have to pay per minute?
$3.50
If Tom works for 4 hours, he makes $64. Draw a double number line that shows how much he makes for each amount of time: 1, 2, 3, and 4 hours.
1 2 3 4
16 32 48 64
The ratio of boys to girls in a club is 7 : 13.
What percent of the club are boys?
35%
7 / 20 = 35 / 100 = 35%
A prize box has only Rice Krispies Treats and Pop-Tarts. The ratio of Rice Krispies to Pop-Tarts is 1 : 4.
Which of the following statements CANNOT be true about the treats in the prize box?
a. For every 3 Rice Krispies, there are 12 Pop-Tarts.
b. For every 13 Rice Krispies, there are 56 Pop-Tarts.
c. If there are 30 total treats in the box, 6 are Rice Krispies.
d. If there are 45 total treats in the box, 36 are Pop-Tarts.
b is False
If Sarah maintained a constant speed and drove 378 miles in 6 hours, how many total miles would she have driven if she continued for 4 more hours?
630 miles
A sporting goods store is having a 35% off sale.
A basketball originally costs $80.
What is the sale price of the basketball?
$52
It's a plane! It's a bird! It's a Daily Double! It's a Daily Double NUMBER LINE!
Set up a blank double number line with 5 vertical lines on your whiteboard. Place the whiteboard in the middle of your group. You will pass the whiteboard marker around, filling out the number line similar to the Ratio Relays from Wednesday. The ratio you need to use will be revealed instead of an answer.
3 : 7
Richard has a bag of 30 pieces of candy. He plans on sharing the candy with his 2 friends, Jeremy and Ben. For every 3 pieces of candy that Richard eats, he gives one to each of Jeremy and Ben.
What is the ratio of the total number of pieces of candy that Richard ate to the total number of pieces that his friends ate?
18 : 12
The following table shows Gemma's soup recipe:

Indicate whether each of the following statements are true or false:
a. There would be 6 cups of mixed vegetables for each cup of water.
b. If we have one cup of mixed vegetables, there will be 9/16 cups of chicken stock.
c. There is 0.75 cups of chicken stock for each cup of water.
a. false
b. false
c. false
Joan ran 4 miles at a constant pace of 48 minutes. If Billy can run at a constant pace that is 2 minutes faster than Joan's per mile pace, how fast could Billy run 3 miles?
30 minutes
Ms. Thorne bought her class a 4 pound box of Sour Patch Kids for $24. If there are 12 bags in each pound, how much does each individual bag cost?
$0.50
Barry has 36 books in his library. Emma has 24 books in her library. Draw a strip diagram depicting the ratio of Barry's books to Emma's books.
Barry's strip should have 3 groups of 12. Emma's strip should have 2 groups of 12.