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Solving Proportions from Word Problems Day 2

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Presentation on theme: "Solving Proportions from Word Problems Day 2"— Presentation transcript:

1 Solving Proportions from Word Problems Day 2

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!

3 Math Minute 9 ANSWER KEY 4 + 3 • 5 7/12 30 190 Tom, Kyle True 37 $520
8  16; 5  10; 12  36 8, 12, 16, 36

4 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

5 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

6 Reverse Schedule Period 7th KRKT 8:00-8:15 9 8:15-9:25 7 9:29-10:56 5
11:00-11:40 Lunch 11:40-12:10 12:14-12:57 3 1:01-2:28 1 2:32-4:00

7 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

8 Data from Chapter 3 Pre-Test
# Section Skill # Correct 1 3.1 Ratio as a fraction in simplest form 14 2 5 3 Find the unit rate 4 9 3.3 Tell whether the ratios form a proportion - expression 11 6 12 7 Tell whether the ratios form a proportion - in words 8 3.4 Write a proportion 10 3.5 Solve the proportion using multiplication Solve the proportion using multiplication – Distributive Property

9 LEARNING TARGET – 3.5 Solving Proportions
Today I can write a proportion from a word problem and solve it using cross products. 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 STANDARDS 1.4a 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 VOCABULARY Cross Products Property Proportion Variable Unit Rate HOMEWORK & UPCOMING EVENTS Missing & Incomplete Assignments D-11 Math Review 1.3 DUE today D-11 Math Review 1.4 DUE Friday

10 3.5 Lesson Start Thinking Describe how someone who works in a bakery might use proportions OR how you’ve used proportions when baking.

11 LEARNING TARGET – 3.5 Solving Proportions
Today I can write a proportion from a word problem and solve it using cross products. 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 STANDARDS 1.4a 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 VOCABULARY Cross Products Property Proportion Variable Unit Rate HOMEWORK & UPCOMING EVENTS Missing & Incomplete Assignments D-11 Math Review 1.3 DUE today D-11 Math Review 1.4 DUE Friday

12 MODEL Solving Proportions STUDENT: 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?

13 3.5 Mini-Quiz

14 MODEL Solving Proportions STUDENT: 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? Answer: 15.5 lb.

15 LEARNING TARGET – 3.5 Solving Proportions
Today I can write a proportion from a word problem and solve it using cross products. 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 STANDARDS 1.4a 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 VOCABULARY Cross Products Property Proportion Variable Unit Rate HOMEWORK & UPCOMING EVENTS Missing & Incomplete Assignments D-11 Math Review 1.3 DUE today D-11 Math Review 1.4 DUE Friday

16 3.5 Mini-Quiz ANSWER KEY

17 LEARNING TARGET – 3.5 Solving Proportions
Today I can write a proportion from a word problem and solve it using cross products. 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 STANDARDS 1.4a 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 VOCABULARY Cross Products Property Proportion Variable Unit Rate HOMEWORK & UPCOMING EVENTS Missing & Incomplete Assignments D-11 Math Review 1.3 DUE today D-11 Math Review 1.4 DUE Friday

18 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!

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