GO ON Chapter 7 Test
Page 1 1. Tommy has 5 jars of marbles. Each jar is 2 _ 3 filled with marbles.
How many full jars of marbles does Tommy have? Shade the model and complete the calculations below to show how you found your answer.
5 × 2 __ 3 ∙ ____ 3 ∙ jars of marbles
2. Stacey worked on her garden for 4 3 _ 4 hours. Josh worked on his garden 2 _ 3 times as long as Stacey. Vicki worked on her garden 1 3 _ 8 times as long as Stacey. For numbers 2a–2d, select True or False for each statement.
2a. Stacey worked longer on her
True
False
garden than Josh worked on his garden.
2b. Stacey spent less time working
True
False
on her garden than Vicki spent on her garden.
2c. Josh worked longer on his garden
True
False
than Vicki worked on her garden.
2d. Vicki worked longer on her garden
True
False
than Stacy and Josh combined.
3. The Gilberts are designing a rectangular patio. The patio has an area of 432 square feet. The width of the patio is 3 _ 4 its length. What is the length of the patio?
feet
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Page 2
4. Jesse surveyed 3 _ 4 of the students at her school. Of those surveyed, 2 _ 3 participate in a school club or sports team. According to Jesse's survey, what fraction of the students participate in a school club or sports team? For numbers 4a–4d, select the correct values to describe how to solve the problem.
4a. Draw a rectangular array with 3 rows and
3 4 5
columns.
4b. Shade
1 2 3
of the rows gray.
4c. Shade
4 5 6
of the gray squares black.
4d. According to Jesse's survey,
1 __ 2 3 __ 4 3 __ 8
of the students participate in a school club or sports team.
5. Tien bought 12 books. Two-thirds of the books are science fiction. How many of the books are science fiction?
Draw a model to show how you found your answer.
science fiction books 6. Jessica rides the bus 8 4 _ 5 miles each day. Which statements
correctly describe how far she rides the bus? Mark all that apply.
A
Jessica rides the bus 35 1 _ 5 miles in 4 days.
B
Jessica rides the bus 61 4 _ 5 miles in 7 days.
C
Jessica rides the bus 88 miles in 10 days.
D
Jessica rides the bus 218 2 _ 5 miles in 25 days.
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Chapter 7 Test Page 3
7. Write each multiplication expression in the correct box. 2
__
3 × 2 __ 3 5 __ 6 × 2 __ 3 4 1 __ 8 × 3__ 2 4 __ 4 × 2 __ 3 3__ 2 × 2 2 __ 3 × 5 __ 5
Product is less than 2 __ 3 . Product is equal to 2 __ 3 . Product is greater than 2 __ 3 .
8. A rug has an area of 48 square feet. Two similar rugs
have areas of 108 square feet and 192 square feet. In each rug, the length is 1 1 _ 3 times the width. Which of the following could be the dimensions of one of the rugs? Mark all that apply.
A 6 feet by 8 feet D 12 feet by 16 feet
B 10 feet by 18 feet E 4 feet by 12 feet
C 9 feet by 12 feet
9. In a fifth-grade class, 3 _ 4 of the students like to go to the movies. Of the students who like to go to the movies, 2 _ 3 of them like action movies. Of the students who like to go to action movies, 4 _ 5 of them also like comedies.
Part A
What fraction of the students in the class like to go to action movies? of the students
Part B
What fraction of the students in the class like to go to action movies and comedies? Explain how you found your answer.
of the students
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10. A farmer’s field has the dimension shown. He needs to find the area of the field so that he knows how much seed to buy.
Complete the area model below to find the area of the field.
3 5 1
1
3 5
5 3 3 5
area of the field = square kilometers
11. It took Mary Lou 5 _ 6 hour to write a report for English class. It took Heather __ 10 9 as much time to write her report as it took Mary Lou. For numbers 11a–11c, select Yes or No to answer each question.
11a. Did Mary Lou and Heather
Yes
No
take the same amount of time to write their reports?
11b. Did Mary Lou spend more
Yes
No
time writing her report than Heather?
11c. Did it take Heather 3 _ 4 hour to
Yes
No
write her report?
12. Andrea bought 12 bagels and 10 muffins at the bakery. Of these items, 2 _ 3 of the bagels were multigrain, and 3 _ 5 of the muffins were bran muffins.
12a. How many multigrain bagels did Andrea buy?
multigrain bagels
12b. How many bran muffins did Andrea buy?
bran muffins
1 3 km
1
3 4 km
2
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13. The table shows how many bags of canned goods each class collected during the first week of a food drive.
Class Bags of Canned Goods
4th Graders 3 1 _ 2
5th Graders 2 3 _ 4
6th Graders 3 1 _ 4
Next week the 4th graders hope to collect 1 1 _
3 times as many bags of canned
goods as the first week. The 5th graders’ goal is to collect 1 3 _
4 as many bags
of canned goods as they collected in week 1. The 6th graders hope to collect
1 1 _ 2 as many bags of canned goods. Match each class to the number of bags of canned goods they hope to collect next week.
Class Next Week’s Goal (bags)
4th Graders 4 13 __ 16
5th Graders 4 7 _
8
6th Graders 4 2 _
3
14. Hannah is tiling a section of her bathroom wall with tiles that are 1 _ 2 foot by 1 _ 2 foot. The section of the wall is 2 1 _ 2 feet tall and 4 1 _ 2 feet wide.
Part A
Let each square of the grid below represent 1 _ 2 foot by 1 _ 2 foot. Draw a rectangle on the grid to represent the section of wall.
Part B
What is the area of the section of wall? Explain how you found your answer.
square feet
•
•
•
•
•
•
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Preparing Students forSTOP
Chapter 7 Test Page 6
15. Mr. Enders conducted a survey and found that 2 _ 5 of his students play a team sport and 1 _ 4 of those students play basketball. What fraction of his students play basketball? Write a number from the number tiles in each box to complete the calculations shown below. You may use numbers more than once or not at all.
2
__
5 × 1 __ 4 = 2 5 ________ ×× = ____ = ____
of his students
16. Katrina is using the recipe below to make vegetable soup. She plans to make 8 batches of the soup. She has 6 pounds of potatoes.
Vegetable Soup Recipe
Part A
Write an expression that Katrina can use to determine how many pounds of potatoes are needed for 8 batches.
Part B
Draw a model to show how Katrina can find the product from Part A.
Part C
Does Katrina have enough potatoes for 8 batches of the soup? Explain your reasoning.
1 2 3 4
5 10 12 20
2 onions, chopped 3 carrots, diced 2 celery stalks, diced 1 3 _ 4 cups diced tomatoes
3 _ 4 pound potatoes, diced
1 _ 2 cup each green beans, corn, peas 2 32-oz containers beef stock 1 teaspoon salt
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Chapter 7
Hours of Sound
Vijay loves music and listens to his favorite songs on his MP3 player. 1. Vijay has 4 hours of music on his MP3 player. Jazz makes up 1 _ 6 of
the total time.
a. How many hours of jazz are on Vijay’s MP3 player? Show your work.
b. Are there more than or less than 60 minutes of jazz on Vijay’s MP3 player? Explain how you know.
c. 2 _ 5 of the jazz is by musicians from New Orleans. How many hours of New Orleans jazz does Vijay have? Show your work.
2. On Vijay’s MP3 player, 5 _ 6 of the 4 hours of music is rock and hip-hop.
a. How many hours of rock and hip-hop does Vijay have?
b. Vijay’s sister Miranda says 15 __ 18 of the 4 hours of music is rock and hip-hop. Is she correct? Explain how you know.
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Preparing Students for3. Vijay plans to reorganize the music on his MP3 player. After the changes he is planning, he will have 2 4 _ 5 times as many hours of rock and hip-hop music on his MP3 player.
a. Is Vijay planning to add or remove rock and hip-hop music from his MP3 player? Explain how you know.
b. How many hours of rock and hip-hop will Vijay have after he makes the changes? Show your work.
4. The front face of Vijay’s MP3 player is a rectangle that is 21_ 2 inches long. The width is 7_ 8 of the length. What is the area of the front face of the MP3 player? Show your work.
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Preparing Students forMultiply Fractions
Hours of Sound
COMMON CORE STANDARDS5.NF.B.5 Interpret multiplication as scaling (resizing), by:
a. Comparing the size of a product to the size of one factor on the basis of the size of the other factor, without performing the indicated multiplication.
b. Explaining why multiplying a given number by a fraction greater than 1 results in a product greater than the given number (recognizing multiplication by whole numbers greater than 1 as a familiar case); explaining why multiplying a given number by a fraction less than 1 results in a product smaller than the given number; and relating the principle of fraction equivalence _ b a 5 n ___ ?a
n ? b to the effect of
multiplying a _ b by 1.
5.NF.B.6 Solve real world problems involving multiplication of fractions and mixed numbers, e.g., by using visual fraction models or equations to represent the problem.
MP1 Make sense of problems and persevere in solving them. Also 5.NF.B.4, MP7
PURPOSE
To assess the ability to write and evaluate expressions that involve multiplication with fractions and mixed numbers, and to state the relationship between the sizes of factors and products of those expressions
TIME
25–30 minutes
GROUPING
Individuals
MATERIALS
• Performance Task, paper, pencil
• Printed grids to model fraction multiplication (optional)
PREPARATION HINTS
• Review writing mixed numbers as fractions before assigning the task. • Review vocabulary, including mixed number, width, and length.
IMPLEMENTATION NOTES
• Read the task aloud to students and make sure that all students have a clear understanding of the task.
• Students may use manipulatives to complete the task.
• Allow students as much paper as they need to complete the task. • Allow as much time as students need to complete the task. • Students must complete the task individually, without collaboration. • Collect all student work when the task is complete.
Multiply Fractions
Hours of Sound
Chapter 7
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OBJECTIVES
202
Preparing Students forTASK SUMMARY
Students will multiply with fractions and mixed numbers.
REPRESENTATION
In this task, teachers can…
• Activate or supply background information by asking students to describe relevant real-world technologies.
ACTION and EXPRESSION
In this task, teachers can…
• Offer students grids they can shade to model fraction multiplication.
• Provide a graphic organizer to help students manage information about the relationships between the sizes of factors and products.
ENGAGEMENT
In this task, teachers can…
• Show students strategies to manage frustration, such as deep breathing and seated stretching.
EXPECTED STUDENT OUTCOMES
• Complete the task within the time allowed • Reflect engagement in a productive struggle
• Apply multiplication with fractions and mixed numbers to represent and solve word problems
SCORING
Use the associated Rubric to evaluate each student’s work.
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Preparing Students forPerformance Task Rubric
HOURS OF SOUND
A level 3 response • Indicates the student has made sense of the task and persevered • Shows ability to multiply with fractions and mixed numbers
• Demonstrates ability to relate the size of the product to the sizes of the factors
• Applies multiplication of fractions appropriately to solve word problems A level 2 response • Indicates the student has made sense of the task and persevered
• Shows ability to multiply with fractions and mixed numbers
• Demonstrates ability to relate the size of the product to the sizes of the factors
• Applies multiplication of fractions appropriately to solve word problems • Addresses most or all aspects of the task with the use of
mathematically sound procedures
• May include an incorrect answer derived from a correct procedure A level 1 response • Shows that the student has made sense of at least some components
of the task
• Shows some ability to multiply with fractions
• Shows uneven ability to multiply with mixed numbers
• May show an inability to relate the size of the product to the sizes of the factors
A level 0 response • Shows little evidence that the student has made sense of the task • Reflects a lack of understanding of a fraction as part of a whole • Reflects a lack of understanding of a mixed number as the sum of
a whole number and a fraction
• Shows little evidence of addressing the components of the task
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Preparing Students forGO ON Chapter 7 Test
Page 1 1. Tommy has 5 jars of marbles. Each jar is 2 _ 3 filled with marbles.
How many full jars of marbles does Tommy have? Shade the model and complete the calculations below to show how you found your answer.
5 × 2 __ 3 ∙ ____ 103 ∙ jars of marbles
2. Stacey worked on her garden for 4 3 _ 4 hours. Josh worked on his garden 2 _ 3 times as long as Stacey. Vicki worked on her garden 1 3 _ 8 times as long as Stacey. For numbers 2a–2d, select True or False for each statement.
2a. Stacey worked longer on her
True
False
garden than Josh worked on his garden.
2b. Stacey spent less time working
True
False
on her garden than Vicki spent on her garden.
2c. Josh worked longer on his garden
True
False
than Vicki worked on her garden.
2d. Vicki worked longer on her garden
True
False
than Stacy and Josh combined.
3. The Gilberts are designing a rectangular patio. The patio has an area of 432 square feet. The width of the patio is 3 _ 4 its length. What is the length of the patio?
feet
31_3
24
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Page 2
4. Jesse surveyed 3 _ 4 of the students at her school. Of those surveyed, 2 _ 3 participate in a school club or sports team. According to Jesse's survey, what fraction of the students participate in a school club or sports team? For numbers 4a–4d, select the correct values to describe how to solve the problem.
4a. Draw a rectangular array with 3 rows and
3 4 5
columns.
4b. Shade
1 2 3
of the rows gray.
4c. Shade
4 5 6
of the gray squares black.
4d. According to Jesse's survey,
1 __ 2 3 __ 4 3 __ 8
of the students participate in a school club or sports team.
5. Tien bought 12 books. Two-thirds of the books are science fiction. How many of the books are science fiction?
Draw a model to show how you found your answer. Possible answer:
science fiction books 6. Jessica rides the bus 8 4 _ 5 miles each day. Which statements
correctly describe how far she rides the bus? Mark all that apply.
A
Jessica rides the bus 35 1 _ 5 miles in 4 days.
B
Jessica rides the bus 61 4 _ 5 miles in 7 days.
8
C
Jessica rides the bus 88 miles in 10 days.
D
Jessica rides the bus 218 2 _ 5 miles in 25 days.
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Page 3 7. Write each multiplication expression in the correct box.
2
__
3 × 2 __ 3 5 __ 6 × 2 __ 3 4 1 __ 8 × 3__ 2 4 __ 4 × 2 __ 3 3__ 2 × 2 2 __ 3 × 5 __ 5
Product is less than 2 __ 3 .
2 _
3×2_3,5_6×2_3 Product is equal to 2 __ 3 .
4 _
4×2_3,2_3×5_5
Product is greater than 2 __ 3 . 41_8×2_3,2_3×2
8. A rug has an area of 48 square feet. Two similar rugs
have areas of 108 square feet and 192 square feet. In each rug, the length is 1 1 _ 3 times the width. Which of the following could be the dimensions of one of the rugs? Mark all that apply.
A 6 feet by 8 feet D 12 feet by 16 feet
B 10 feet by 18 feet E 4 feet by 12 feet
C 9 feet by 12 feet
9. In a fifth-grade class, 3 _ 4 of the students like to go to the movies. Of the students who like to go to the movies, 2 _ 3 of them like action movies. Of the students who like to go to action movies, 4 _ 5 of them also like comedies.
Part A
What fraction of the students in the class like to go to action movies? of the students
Part B
What fraction of the students in the class like to go to action movies and comedies? Explain how you found your answer.
of the students Possibleexplanation:InPartA,Imultiplied3_4×2_3=1_2tofind thefractionofthestudentsintheclasswholiketogoto actionmovies.Iknowthat4_5ofthesestudentsalsoliketogo tocomedies,soIcanmultiplytofindtheanswer:1_2×5_4=2_5.
1 _ 2 2 _ 5
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Page 4 10. A farmer’s field has the dimension shown.
He needs to find the area of the field so that he knows how much seed to buy.
Complete the area model below to find the area of the field.
3 4 2
32 5 1
1
3 5
1 1 32 52 3 5
1 3 1 3 2 3 3 4 43 1
3 34 41 1
area of the field = square kilometers
11. It took Mary Lou 5 _ 6 hour to write a report for English class. It took Heather __ 10 9 as much time to write her report as it took Mary Lou. For numbers 11a–11c, select Yes or No to answer each question.
11a. Did Mary Lou and Heather
Yes
No
take the same amount of time to write their reports?
11b. Did Mary Lou spend more
Yes
No
time writing her report than Heather?
11c. Did it take Heather 3 _ 4 hour to
Yes
No
write her report?
12. Andrea bought 12 bagels and 10 muffins at the bakery. Of these items, 2 _ 3 of the bagels were multigrain, and 3 _ 5 of the muffins were bran muffins.
12a. How many multigrain bagels did Andrea buy?
multigrain bagels
12b. How many bran muffins did Andrea buy?
bran muffins 1 3 km 1 3 4 km 2
32_3
8
6
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Chapter 7 Test Page 5
13. The table shows how many bags of canned goods each class collected during the first week of a food drive.
Class Bags of Canned Goods
4th Graders 3 1 _ 2
5th Graders 2 3 _ 4
6th Graders 3 1 _ 4
Next week the 4th graders hope to collect 1 1 _
3 times as many bags of canned
goods as the first week. The 5th graders’ goal is to collect 1 3 _
4 as many bags
of canned goods as they collected in week 1. The 6th graders hope to collect
1 1 _ 2 as many bags of canned goods. Match each class to the number of bags of canned goods they hope to collect next week.
Class Next Week’s Goal (bags)
4th Graders 4 13 __ 16
5th Graders 4 7 _
8
6th Graders 4 2 _
3
14. Hannah is tiling a section of her bathroom wall with tiles that are 1 _ 2 foot by 1 _ 2 foot. The section of the wall is 2 1 _ 2 feet tall and 4 1 _ 2 feet wide.
Part A
Let each square of the grid below represent 1 _ 2 foot by 1 _ 2 foot. Draw a rectangle on the grid to represent the section of wall.
Possible answer:
Part B
What is the area of the section of wall? Explain how you found your answer.
square feet
Possible explanation: There are 5 rows and 9 columns of squares, for a total of 5 × 9 = 45 squares. Each square represents an area of 1 _ 2 × 2 _ 1 = 1 _ 4 square foot. So, the area of the section of wall is 45 × 1 _ 4 = 11 1 _ 4 square feet.
•
•
•
•
•
•
111_4
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Page 6
15. Mr. Enders conducted a survey and found that 2 _ 5 of his students play a team sport and
1
_
4 of those students play basketball. What fraction of his students play basketball? Write
a number from the number tiles in each box to complete the calculations shown below. You may use numbers more than once or not at all.
2
__
5 × 1 __ 4 = 2 × 1
________
5 × 4 =
2
____
20 = 1
____
10
of his students
16. Katrina is using the recipe below to make vegetable soup. She plans to make 8 batches of the soup. She has 6 pounds of potatoes.
Vegetable Soup Recipe
Part A
Write an expression that Katrina can use to determine how many pounds of potatoes are needed for 8 batches.
Part B
Draw a model to show how Katrina can find the product from Part A. Possible answer:
5
Part C
Does Katrina have enough potatoes for 8 batches of the soup? Explain your reasoning. Yes; possible explanation: Katrina needs 8 × 3 _ 4 = 24 __ 4 = 6 pounds of
potatoes to make 8 batches. So, she has enough to make 8 batches of the soup.
1
__ 10
1 2 3 4
5 10 12 20
2 onions, chopped 3 carrots, diced 2 celery stalks, diced 1 3 _ 4 cups diced tomatoes
3 _ 4 pound potatoes, diced
1 _ 2 cup each green beans, corn, peas 2 32-oz containers beef stock 1 teaspoon salt
8 × 3 _ 4
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Preparing Students for Florida Standards Assessments
Sample Level 3 Response
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Preparing Students forSample Level 2 Response
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Preparing Students forSample Level 1 Response
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Preparing Students forSample Level 0 Response
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