Algebra 1 2-7 Guided Practice: Solving Proportions

10

Solve It! You are making beaded necklaces, using a pattern in which 2 large red beads are followed by 3 small blue beads. Each set of 5 beads adds 1.25 in. to the length of the necklace. How many of each color bead will you need for a 20-in necklace?

12 red & 16 blue

16 red & 24 blue

32 red & 48 blue

48 red & 64 blue

A.CED.1

A.REI.3

10

A.CED.1

A.REI.3

10

Vocabulary: Define ratio in your own words.

10

Vocabulary: Define proportion in your own words.

10

Problem 1 Got It? What is the solution of the proportion?

5.6

6.5

7.14

8.75

A.CED.1

A.REI.3

10

Problem 2 Got It? What is the solution for the proportion?

9/5

3/15

5/9

5

A.CED.1

A.REI.3

10

Problem 2 Got It? Would you rather use the Cross Products Property or the Multiplication Property of Equality (to multiply the numerator and denominator of at least 1 ratio by the same number) to solve the proportion? Explain.

A.CED.1

10

Problem 3 Got It? What is the solution of the proportion?

1

-1

5

-5

A.CED.1

A.REI.3

10

Problem 4 Got It? An 8-oz can of orange juice contains about 97 mg of vitamin C.
About how many milligrams of vitamin C are there in a 12-oz can of orange juice?

64.67 mg

145.5 mg

0.99 mg

10.63 mg

A.CED.1

A.REI.3

N.Q.1

Algebra 1 2-7 Guided Practice: Solving Proportions

Solve It! You are making beaded necklaces, using a pattern in which 2 large red beads are followed by 3 small blue beads. Each set of 5 beads adds 1.25 in. to the length of the necklace. How many of each color bead will you need for a 20-in necklace?

Vocabulary: Define ratio in your own words.

Vocabulary: Define proportion in your own words.

Problem 1 Got It? What is the solution of the proportion?

Problem 2 Got It? What is the solution for the proportion?

Problem 2 Got It? Would you rather use the Cross Products Property or the Multiplication Property of Equality (to multiply the numerator and denominator of at least 1 ratio by the same number) to solve the proportion? Explain.

Problem 3 Got It? What is the solution of the proportion?

Problem 4 Got It? An 8-oz can of orange juice contains about 97 mg of vitamin C.
About how many milligrams of vitamin C are there in a 12-oz can of orange juice?

Solve It! You are making beaded necklaces, using a pattern in which 2 large red beads are followed by 3 small blue beads. Each set of 5 beads adds 1.25 in. to the length of the necklace. How many of each color bead will you need for a 20-in necklace?

Explain your answer.

Vocabulary: Define ratio in your own words.

Vocabulary: Define proportion in your own words.

Problem 1 Got It? What is the solution of the proportion?

Problem 2 Got It? What is the solution for the proportion?

Problem 2 Got It? Would you rather use the Cross Products Property or the Multiplication Property of Equality (to multiply the numerator and denominator of at least 1 ratio by the same number) to solve the proportion? Explain.

Problem 3 Got It? What is the solution of the proportion?

Problem 4 Got It? An 8-oz can of orange juice contains about 97 mg of vitamin C.
About how many milligrams of vitamin C are there in a 12-oz can of orange juice?

Explain your answer.

Algebra 1 2-7 Guided Practice: Solving Proportions

Algebra 1 2-7 Guided Practice: Solving Proportions

Solve It! You are making beaded necklaces, using a pattern in which 2 large red beads are followed by 3 small blue beads. Each set of 5 beads adds 1.25 in. to the length of the necklace. How many of each color bead will you need for a 20-in necklace?

Vocabulary: Define ratio in your own words.

Vocabulary: Define proportion in your own words.

Problem 1 Got It? What is the solution of the proportion?

Problem 2 Got It? What is the solution for the proportion?

Problem 2 Got It? Would you rather use the Cross Products Property or the Multiplication Property of Equality (to multiply the numerator and denominator of at least 1 ratio by the same number) to solve the proportion? Explain.

Problem 3 Got It? What is the solution of the proportion?

Problem 4 Got It? An 8-oz can of orange juice contains about 97 mg of vitamin C. About how many milligrams of vitamin C are there in a 12-oz can of orange juice?

Solve It! You are making beaded necklaces, using a pattern in which 2 large red beads are followed by 3 small blue beads. Each set of 5 beads adds 1.25 in. to the length of the necklace. How many of each color bead will you need for a 20-in necklace?

Explain your answer.

Vocabulary: Define ratio in your own words.

Vocabulary: Define proportion in your own words.

Problem 1 Got It? What is the solution of the proportion?

Problem 2 Got It? What is the solution for the proportion?

Problem 2 Got It? Would you rather use the Cross Products Property or the Multiplication Property of Equality (to multiply the numerator and denominator of at least 1 ratio by the same number) to solve the proportion? Explain.

Problem 3 Got It? What is the solution of the proportion?

Problem 4 Got It? An 8-oz can of orange juice contains about 97 mg of vitamin C. About how many milligrams of vitamin C are there in a 12-oz can of orange juice?

Explain your answer.

Problem 4 Got It? An 8-oz can of orange juice contains about 97 mg of vitamin C.
About how many milligrams of vitamin C are there in a 12-oz can of orange juice?

Problem 4 Got It? An 8-oz can of orange juice contains about 97 mg of vitamin C.
About how many milligrams of vitamin C are there in a 12-oz can of orange juice?