3.5 Solving Proportions Solving Proportions from Word Problems Day 2.
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Transcript of 3.5 Solving Proportions Solving Proportions from Word Problems Day 2.
3.5 Solving Proportions
Solving Proportions from Word Problems
Day 2
Math Minute 9 Directions• Work by yourself• You have 15 minutes to
complete and/or correct all 10 questions
• When you’re done…• Math Facts in a Flash• Accelerated Math• Incomplete work• D-11 Math Review 1.3
Raise your hand if you have a question!
Math Minute 9 ANSWER KEY
1. 4 + 3 • 52. 7/123. 304. 1905. Tom, Kyle6. True7. 378. $5209. 8 16; 5 10; 12 3610. 8, 12, 16, 36
Math Minute 9 Extension Time
• If you are an A-Team Member, you may go to the following websites:– Mathplayground.com– Funbrain.com
• If you are NOT an A-Team Member, your computer needs to be closed. You should be working on one of the following things:– Incomplete/missing work– D-11 Math Review 1.4 DUE FRIDAY– Extra Credit
Announcements• D-11 Math Review 1.3 DUE today• D-11 Math Review 1.4 DUE Friday• Reverse schedule today• Math MAP on Thursday• Winter Aerospace Extravaganza TONIGHT• Chapter 3 Post-Test on Wednesday• STAR Math Test TBD• A-Team Members Q2W8 slips• December Newsletter DUE Friday
Reverse SchedulePeriod 7th
KRKT 8:00-8:159 8:15-9:257 9:29-10:565 11:00-11:40
Lunch 11:40-12:105 12:14-12:573 1:01-2:281 2:32-4:00
Results from Last Class
CLASS TRIP It costs $95 for 20 students to visit an aquarium. How much does it cost for 162 students?Most students struggled with finding the
correct product of 95 & 162 The question on the 3.5 Mini-Quiz won’t
require crazy multi-digit multiplication
Data from Chapter 3 Pre-Test# Section Skill
# Correc
t1 3.1 Ratio as a fraction in simplest form 14
2 3.1 Ratio as a fraction in simplest form 5
3 3.1 Find the unit rate 3
4 3.1 Find the unit rate 9
5 3.3 Tell whether the ratios form a proportion - expression 11
6 3.3 Tell whether the ratios form a proportion - expression 12
7 3.3 Tell whether the ratios form a proportion - in words 3
8 3.4 Write a proportion 8
9 3.4 Write a proportion 7
10 3.5 Solve the proportion using multiplication 2
11 3.5 Solve the proportion using multiplication 0
12 3.5 Solve the proportion using multiplication – Distributive Property 0
LEARNING TARGET – 3.5 Solving Proportions1. Today I can write a proportion from a word problem and solve it using cross
products.2. Today I can answer at least two questions correctly from 3.1, 3.3, 3.4, and 3.5 from the
Chapter 3 Review.
TCAP STANDARDS1.4a Use the relationships among fractions, decimals, and percents, including the concepts of ratio and proportion, in problem-solving situations.
6.1a Use concrete materials or pictures to explain how ratios, proportion, and percents can be used to solve real-world problems.
AGENDA • (15 min) Math Minute 9• (10 min) Intervention/Extension• (5 min) Announcements & Results• (5 min) Lesson Overview• (10 min) 3.5 Lesson Start Thinking• (10 min) PRACTICE Solving Proportions
from Word Problems • (10 min) 3.5 Mini-Quiz • (5 min) Review Answers • (15 min) Chapter 3 Review
KEY VOCABULARYCross Products PropertyProportionVariableUnit Rate
HOMEWORK & UPCOMING EVENTSMissing & Incomplete AssignmentsD-11 Math Review 1.3 DUE todayD-11 Math Review 1.4 DUE Friday
3.5 Lesson Start Thinking Describe how someone who works in a bakery might use proportions OR how you’ve used proportions when baking.
LEARNING TARGET – 3.5 Solving Proportions1. Today I can write a proportion from a word problem and solve it using cross
products.2. Today I can answer at least two questions correctly from 3.1, 3.3, 3.4, and 3.5 from the
Chapter 3 Review.
TCAP STANDARDS1.4a Use the relationships among fractions, decimals, and percents, including the concepts of ratio and proportion, in problem-solving situations.
6.1a Use concrete materials or pictures to explain how ratios, proportion, and percents can be used to solve real-world problems.
AGENDA • (15 min) Math Minute 9• (10 min) Intervention/Extension• (5 min) Announcements & Results• (5 min) Lesson Overview• (10 min) 3.5 Lesson Start Thinking• (10 min) PRACTICE Solving Proportions
from Word Problems • (10 min) 3.5 Mini-Quiz • (5 min) Review Answers • (15 min) Chapter 3 Review
KEY VOCABULARYCross Products PropertyProportionVariableUnit Rate
HOMEWORK & UPCOMING EVENTSMissing & Incomplete AssignmentsD-11 Math Review 1.3 DUE todayD-11 Math Review 1.4 DUE Friday
MODEL Solving ProportionsSTUDENT: p. 127 #30
GRAVITY A person who weighs 120 pounds on Earth weighs 20 pounds on the moon. How much does a 93-pound person weigh on the moon?
Could you use a unit rate to solve this problem? Why or why not?
3.5 Mini-Quiz
MODEL Solving ProportionsSTUDENT: p. 127 #30
GRAVITY A person who weighs 120 pounds on Earth weighs 20 pounds on the moon. How much does a 93-pound person weigh on the moon?
Answer: 15.5 lb.
Could you use a unit rate to solve this problem? Why or why not?
LEARNING TARGET – 3.5 Solving Proportions1. Today I can write a proportion from a word problem and solve it using cross
products.2. Today I can answer at least two questions correctly from 3.1, 3.3, 3.4, and 3.5 from the
Chapter 3 Review.
TCAP STANDARDS1.4a Use the relationships among fractions, decimals, and percents, including the concepts of ratio and proportion, in problem-solving situations.
6.1a Use concrete materials or pictures to explain how ratios, proportion, and percents can be used to solve real-world problems.
AGENDA • (15 min) Math Minute 9• (10 min) Intervention/Extension• (5 min) Announcements & Results• (5 min) Lesson Overview• (10 min) 3.5 Lesson Start Thinking• (10 min) PRACTICE Solving Proportions
from Word Problems • (10 min) 3.5 Mini-Quiz • (5 min) Review Answers • (15 min) Chapter 3 Review
KEY VOCABULARYCross Products PropertyProportionVariableUnit Rate
HOMEWORK & UPCOMING EVENTSMissing & Incomplete AssignmentsD-11 Math Review 1.3 DUE todayD-11 Math Review 1.4 DUE Friday
3.5 Mini-Quiz ANSWER KEY
LEARNING TARGET – 3.5 Solving Proportions1. Today I can write a proportion from a word problem and solve it using cross products.2. Today I can answer at least two questions correctly from 3.1, 3.3, 3.4, and 3.5 from
the Chapter 3 Review.
TCAP STANDARDS1.4a Use the relationships among fractions, decimals, and percents, including the concepts of ratio and proportion, in problem-solving situations.
6.1a Use concrete materials or pictures to explain how ratios, proportion, and percents can be used to solve real-world problems.
AGENDA • (15 min) Math Minute 9• (10 min) Intervention/Extension• (5 min) Announcements & Results• (5 min) Lesson Overview• (10 min) 3.5 Lesson Start Thinking• (10 min) PRACTICE Solving Proportions
from Word Problems • (10 min) 3.5 Mini-Quiz • (5 min) Review Answers • (15 min) Chapter 3 Review
KEY VOCABULARYCross Products PropertyProportionVariableUnit Rate
HOMEWORK & UPCOMING EVENTSMissing & Incomplete AssignmentsD-11 Math Review 1.3 DUE todayD-11 Math Review 1.4 DUE Friday
Chapter 3 Review
• Complete the review problems on p. 149-150• Complete the review for 3.1, 3.3, 3.4, & 3.5 • You may work with a partner• Make sure to show your work!
