Lesson 1.2: Modeling with Units and Precision in Modeling
Presentation
•
Mathematics
•
9th - 12th Grade
•
Medium
Alicia Preller
Used 3+ times
FREE Resource
6 Slides • 16 Questions
1
Lesson 1.2: Modeling with Units and Precision in Modeling
Please take the first 10 minutes of class to complete your warm up. Don't forget to leave room in your notes for corrections.
2
Notes
In a set of measurements, ________________________ is closeness of the measurements to a specific value, while _______________________ is the closeness of the measurements to each other.
In problems with multiple steps, I should round a value when….
3
Open Ended
In Question 1 from your notes, what are some key words that are important to your problem?
4
Multiple Choice
1. Emily has 12 feet of rope. How many 1-yard long pieces can Emily cut from the rope?
Identify the final units.
Yards
Pieces in feet
Feet
Pieces in yards
5
Multiple Choice
1. Emily has 12 feet of rope. How many 1-yard long pieces can Emily cut from the rope?
After finding our final units, what is the next step to solving this problem?
Convert Feet into Yards
Convert Yards into Feet
Convert Yards into Inches
Find a 14 foot rope and figure it out with a yard stick
6
Multiple Choice
1. Emily has 12 feet of rope. How many 1-yard long pieces can Emily cut from the rope?
Convert 12 feet into yards. What is your solution?
4 yards
36 yards
15 yards
9 yards
7
Fill in the Blanks
Type answer...
8
Questions?
At this time, please take a moment to reflect on the previous problem. Do you have any questions?
If you do not wish to raise your hand, please write your questions on your notes for me to review in class later.
9
Multiple Choice
2. How many 1-yard pieces can Emily cut if she has 19 feet of rope?
How many yards is 19 feet of rope?
6.3 yards
6.3 feet
57 yards
57 feet
10
Multiple Choice
2. How many 1-yard pieces can Emily cut if she has 19 feet of rope?
Based off your previous solution, what is the answer to this question?
6.3 yards
57 yards
6 pieces
57 pieces
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Open Ended
3. Using the same scenario in problem 2, how many feet of rope will Emily have left over?
What is this question asking? (notice the units)
12
Multiple Choice
3. Using the same scenario in problem 2, how many feet of rope will Emily have left over?
Solve.
0.3 yards
0.9 yards
0.3 feet
0.9 feet
13
Multiple Choice
4. As president of the sophomore class, Abby is responsible for decorating 18 lockers for Homecoming week. Each locker requires 1.5 feet of ribbon and each package of ribbon contains 2 yards. How many packages of ribbon should Abby buy?
How many feet total does Abby need?
9 feet
25 feet
27 feet
18 feet
14
Multiple Choice
4. As president of the sophomore class, Abby is responsible for decorating 18 lockers for Homecoming week. Each locker requires 1.5 feet of ribbon and each package of ribbon contains 2 yards. How many packages of ribbon should Abby buy?
Convert 27 feet into yards.
8 yards
9 yards
81 yards
15
Fill in the Blanks
Type answer...
16
Multiple Choice
5. Kris has $10 to spend at the grocery store on pies. If each pie costs $3.10 including tax, how many pies can Kris buy?
Hint: Use either Multiplication or Division.
3.22 pies
3 pies
4 pies
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Why were we supposed to use division in the previous problem?
Also, why did we round down?
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Multiple Choice
6. Trey is in a used bookstore and has $30 to spend. Each book costs $7.46, including tax. How many books can he buy?
4.02 books
5 books
4 books
19
Multiple Choice
7. A recipe for lemonade calls for 30 fresh-squeezed lemons. Lemons are sold in bags of 7 at the grocery store. How many bags would you need to buy in order to make the recipe?
4.28 bags
4 bags
5 bags
That's a lot of lemons...
20
Open Ended
8. How much would you have to pay for 13.5 gallons of gasoline at $2.63 per gallon? Round your answer based on the problem context.
Write your answer in a complete sentence.
21
YOU TRY IT!
Use the next 15 minutes of class to complete the You Try It problems from your notes.
Don't forget to reflect on what you learned in class today on the bottom of your notes.
22
EXIT TICKET
Please turn in your notes and exit ticket to the Turn In Bin before the end of class.
Show all work for full credit.
Lesson 1.2: Modeling with Units and Precision in Modeling
Please take the first 10 minutes of class to complete your warm up. Don't forget to leave room in your notes for corrections.
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