Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use...

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Transcript of Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use...

Page 1: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.
Page 2: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

Main Idea and New Vocabulary

Example 1:Write a Ratio in Simplest Form

Example 2:Use Ratios to Compare Parts to aWhole

Example 3:Real-World Example: Divide Groupsby Ratios

Page 3: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

• Express ratios and rates in fraction form.

• ratio

Page 4: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

Write a Ratio in Simplest Form

Write the ratio in simplest form that compares the number of baseballs to the number of soccer balls. Then explain its meaning.

Page 5: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

There are 4 baseballs and 10 soccer balls. Write a ratio to compare 4 baseballs to 10 soccer balls.

Write a Ratio in Simplest Form

baseballs ___410soccer balls

Simplify the ratio.

baseballssoccer balls

___410

___25

=

÷2

÷2

The GCF of 4 and 10 is 2.

Page 6: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

Write a Ratio in Simplest Form

Answer: The ratio of baseballs to

soccer balls is

2 to 5, or 2:5. This means that

for every

2 baseballs there are 5 soccer

balls.

Page 7: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

A.

B.

C.

D. For every 5 soccer balls there are 2 baseballs.

Write the ratio in simplest form that compares the number of soccer balls to the number of baseballs. Then explain its meaning.

Page 8: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

BOOKS Several students were asked to name their favorite kind of book. Write the ratio that compares the number of students who chose fantasy books to the total number of students.

Use Ratios to Compare Parts to a Whole

Page 9: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

Five students chose fantasy books out of a total of 7 + 9 + 4 + 5 or 25 responses.

Simplify the ratio.

Use Ratios to Compare Parts to a Whole

fantasy responses ___525total responses

fantasy responsestotal responses

___525

___15

=

÷5

÷5

Page 10: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

Use Ratios to Compare Parts to a Whole

Answer: The ratio of students who chose

fantasy to

the total number of students is 1 to

5,

or 1:5. So, one out of every 5 students

chose fantasy books.

Page 11: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

PETS A pet store sold the animals listed in the tablein one week. Write the ratio that compares thenumber of gerbils sold to the number of birds sold.

A.

B.

C.

D.

Page 12: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

Divide Groups by Ratios

FOOD DRIVE Robert wants to divide 35 cans of food into two groups so that the ratio is 3 to 4.

Step 1 Use a bar diagram.

Step 2 There are 7 equal sections. So, each sectionrepresents 35 ÷ 7 or 5 cans.

Page 13: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

Check

Answer: There are 15 cans of food in the first group

and 20 cans of food in the second group.

Divide Groups by Ratios

Page 14: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

SWIMMING The coach wants to divide 24 swimmers into two teams so that the ratio is 3 to 5.

A. There are 15 swimmers on the first team and 9 swimmers on the second team.

B. There are 9 swimmers on the first team and 18 swimmers on the second team.

C. There are 6 swimmers on the first teamand 18 swimmers on the second team.

D. There are 9 swimmers on the first team and 15 swimmers on the second team.

Page 15: Lesson Menu Main Idea and New Vocabulary Example 1:Write a Ratio in Simplest Form Example 2:Use Ratios to Compare Parts to a Whole Example 3:Real-World.

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Number: Ratio. Understand and work with ratios, proportions and scaling Objectives Write a ratio in its simplest terms and in calculations Use direct.

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Lesson 10.1 Trig Ratios and Comp Angles ANSWERSlehimath.weebly.com/uploads/5/0/2/5/5025433/lesson_10.1_trig... · Example 1 Page 235 Find the sine, cosine, and tangent ratios for

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12-1 Understanding Ratios - · PDF file12-1 Understanding Ratios ... Number Sense How are the ratios in Exercises 1 and 2 different from the ratio in Exercise 3? ... find the simplest

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Splash Screen. Lesson Menu Five-Minute Check (over Lesson 9–3) Main Idea and Vocabulary Example 1:Simplest Form Example 2:Simplest Form.

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A proportion is an equation that states that two ratios are equivalent. Example: 2 12

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Lesson Menu Main Idea and New Vocabulary Example 1:Equivalent Ratios of Larger Quantities Example 2:Equivalent Ratios of Smaller Quantities Example 3:Use.