Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (2024)

Engage NY Eureka Math 3rd Grade Module 7 Lesson 15 Answer Key

Eureka Math Grade 3 Module 7 Lesson 15 Pattern Sheet Answer Key

Multiply.
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (1)
multiply by 9 (1–5)
Answer:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (2)

Explanation:
9 × 1 = 9
9 × 2 = 18
9 × 3 = 27
9 × 4 = 36
9 × 5 = 45.

Eureka Math Grade 3 Module 7 Lesson 15 Problem Set Answer Key

Question 1.
Mrs. Kozlow put a border around a 5-foot by 6-foot rectangular bulletin board. How many feet of border did Mrs. Kozlow use?
Answer:
Mrs. Kozlow used 22ft of border.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (3)
Length of the side of the rectangular bulletin board = 6ft
Width of the side of the rectangular bulletin board = 5ft
Perimeter of the rectangular bulletin board = 2 (Length + Width)
= 2 ( 6ft + 5ft )
= 2 × 11ft
= 22ft.

Question 2.
Jason built a model of the Pentagon for a social studies project. He made each outside wall 33 centimeters long. What is the perimeter of Jason’s model pentagon?
Answer:
Perimeter of the Jason’s model Pentagon = 165 centimeters.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (4)
Length of the Side of the Jason’s model Pentagon = 33 centimeters
Perimeter of the Jason’s model Pentagon = 5 × Side
= 5 × 33 centimeters
= 165 centimeters.

Question 3.
The Holmes family plants a rectangular 8-yard by 9-yard vegetable garden. How many yards of fencing do they need to put a fence around the garden?
Answer:
Perimeter of the rectangular vegetable garden = 34-yard.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (5)
Length of the rectangular vegetable garden= 9-yard
Width of the rectangular vegetable garden = 8-yard
Perimeter of the rectangular vegetable garden = 2 ( Length + Width )
= 2 (9-yard + 8-yard)
= 2 × 17-yard
= 34-yard.

Question 4.
Marion paints a 5-pointed star on her bedroom wall. Each side of the star is 18 inches long. What is the perimeter of the star?
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (6)
Answer:
Perimeter of the Star = 180 inches.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (7)
Length of the side of the Star = 18 inches
Number of sides of Star = 10
Perimeter of the Star = 10 × Side
= 10 ×18 inches
=180 inches.

Question 5.
The soccer team jogs around the outside of the soccer field twice to warm up. The rectangular field measures 60 yards by 100 yards. What is the total number of yards the team jogs?
Answer:
The total number of yards the team jogs = 640 yards.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (8)
Length of the rectangular soccer field = 100 yards
Width of the rectangular soccer field = 60 yards
Perimeter of the rectangular soccer field = 2 ( Length + Width )
= 2 ( 100 yards + 60 yards )
= 2 × 160 yards
= 320 yards.
Number of rounds the soccer team jogs around the outside of the soccer field to warm up = twice
The total number of yards the team jogs = 320 yards × 2
= 640 yards.

Question 6.
Troop 516 makes 3 triangular flags to carry at a parade. They sew ribbon around the outside edges of the flags. The flags’ side lengths each measure 24 inches. How many inches of ribbon does the troop use?
Answer:
The troop used 216inches of ribbon.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (9)
Number of triangular flags Troop 516 makes = 3 or Three
Length of the triangular flags Troop 516 makes = 24inches
Perimeter of the triangular flags Troop 516 makes = 3 × Side
= 3 × 24inches
= 72inches.
Perimeter of the 3 triangular flags Troop 516 makes = 3 × 72inches
= 216inches.

Eureka Math Grade 3 Module 7 Lesson 15 Exit Ticket Answer Key

Marlene ropes off a square section of her yard where she plants grass. One side length of the square measures 9 yards. What is the total length of rope Marlene uses?
Answer:
The total length of rope Marlene uses = 36 yards.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (10)
Length of the side of the square = 9 yards.
Perimeter of the square = 4 × Side
= 4 × 9 yards
= 36 yards.

Eureka Math Grade 3 Module 7 Lesson 15 Homework Answer Key

Question 1.
Miguel glues a ribbon border around the edges of a 5-inch by 8-inch picture to create a frame. What is the total length of ribbon Miguel uses?
Answer:
The total length of ribbon Miguel uses = 26-inch.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (11)
Length of the rectangular picture = 8-inch
Width of the rectangular picture = 5-inch
Perimeter of the rectangular picture = 2 ( Length + Width )
= 2 ( 8-inch + 5-inch )
= 2 × 13-inch
= 26-inch.

Question 2.
A building at Elmira College has a room shaped like a regular octagon. The length of each side of the room is 5 feet. What is the perimeter of this room?
Answer:
The perimeter of this room = 40 feet.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (12)
length of each side of the regular octagon room = 5 feet
Perimeter of the regular octagon room = 8 × Side
= 8 × 5 feet
= 40 feet.

Question 3.
Manny fences in a rectangular area for his dog to play in the backyard. The area measures 35 yards by 45 yards. What is the total length of fence that Manny uses?
Answer:
The total length of fence that Manny uses = 160 yards.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (13)
Length of the rectangular fence = 45 yards
Width of the rectangular fence = 35 yards
Perimeter of rectangular fence = 2 ( Length + Width )
= 2 (45 yards + 35 yards )
= 2 × 80 yards
= 160 yards.

Question 4.
Tyler uses 6 craft sticks to make a hexagon. Each craft stick is 6 inches long. What is the perimeter of Tyler’s hexagon?
Answer:
Perimeter of the Tyler’s hexagon = 36 inches.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (14)
Length of the side of the Tyler’s hexagon = 6 inches
Perimeter of the Tyler’s hexagon = 6 × Side
= 6 × 6 inches
= 36 inches.

Question 5.
Francis made a rectangular path from her driveway to the porch. The width of the path is 2 feet. The length is 28 feet longer than the width. What is the perimeter of the path?
Answer:
Perimeter of the rectangular path = 60 feet.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (15)
Length of the rectangular path = 28 feet
Width of the rectangular path = 2 feet
Perimeter of the rectangular path = 2 ( Length + Width )
= 2 ( 28 feet + 2 feet )
= 2 × 30 feet
= 60 feet.

Question 6.
The gym teacher uses tape to mark a 4-square court on the gym floor as shown. The outer square has side lengths of 16 feet. What is the total length of tape the teacher uses to mark Square A?
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (16)
Answer:
Perimeter of the Square court = 64 ft.
The total length of tape the teacher uses to mark Square A = 16 ft.

Explanation:
Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (17)
Length of the Square court = 16 ft
Perimeter of the Square court = 4 × Side
= 4 × 16 ft
= 64 ft.
The total length of tape the teacher uses to mark Square A = Perimeter of the Square court ÷ 4
= 64 ft ÷ 4
= 16 ft.

Eureka Math Grade 3 Module 7 Lesson 15 Answer Key (2024)

FAQs

What grade does Eureka math go up to? ›

Eureka Math® is a holistic Prekindergarten through Grade 12 curriculum that carefully sequences mathematical progressions in expertly crafted modules, making math a joy to teach and learn. We provide in-depth professional development, learning materials, and a community of support.

Is Eureka Math a curriculum? ›

An Elementary, Middle, And High School Math Curriculum. Eureka Math® is a math program designed to advance equity in the math classroom by helping students build enduring math knowledge.

How was Eureka Math created? ›

In 2012 the New York State Education Department contracted with the organization that would become Great Minds to create an open educational resource (OER) math program for K–12 educators. We wrote EngageNY Math, and over time we developed that program into Eureka Math.

What is the purpose of the concept development in Eureka math? ›

The concept development is generally comprised of carefully sequenced problems centered within a specific topic to begin developing mastery via gradual increases in complexity.

What is the hardest math grade? ›

Generally speaking, the most rigorous math courses in high school include Advanced Placement (AP) Calculus AB and BC, AP Statistics, and for some, Multivariable Calculus (which might be offered at your school or at a local college).

What is the highest math class there is? ›

Wrap up with Calculus, the highest level of math offered by many high schools and often considered the gold standard of pre-college math preparation.

Is Eureka Math good or bad? ›

Is Eureka Math a good curriculum? The answer to this question depends on the target audience. If you're a teacher in a public school who needs to cover State Standards and your goal is merely to prepare students for State tests, then Eureka may be a good curriculum for you.

Is Eureka Math scripted? ›

Eureka Math is not intended to be followed as a script, instead as a guide to offer support to teachers in the classroom. For example, the “vignettes” of teacher-student interactions included in Eureka Math are exemplars of instructional situations provided by the teachers who have crafted our curricula.

Is Eureka Math spiral or mastery? ›

Eureka Math is a spiraling curriculum that minimizes distractions and maximizes coherence between grades while providing students with the opportunity to continually revisit learned strategies and apply them in new ways.

What is Eureka Math squared? ›

Eureka Math²™ is a revolutionary math program designed to ensure that students move beyond rote memorization to build enduring math knowledge. Its learning design allows your student to build a deep conceptual understanding of mathematics that will better prepare them for college, career, and beyond.

Who invented higher math? ›

More advanced mathematics can be traced to ancient Greece over 2,500 years ago.

What is common core math? ›

Common Core math specifies standards related to mathematics education and outlines what students should know and be able to do. The three main standards of CCSS are focus, coherence, and rigor. Focus necessitates that math education covers fewer concepts but on a deep level.

How to make Eureka math engaging? ›

Here are some tips to get through it, primarily if you teach primary learners.
  1. Fluency Activities. Every Eureka math lesson comes with fluency activities. ...
  2. Concept Development. Concept development is your lesson or instructional focus for the day. ...
  3. Debrief. ...
  4. Additional Websites. ...
  5. Small Math Groups. ...
  6. Math Centers.
Nov 28, 2022

What is the UDL in Eureka math? ›

Universal Design for Learning in Eureka Math2

The authors of Eureka Math2 applied the UDL Guidelines to develop lessons that provide multiple means of engagement, representation, and action and expression.

Who is the creator of Eureka math? ›

Munson's group, which later changed its name to Great Minds, teamed up with Scott Baldridge, a Louisiana State University math professor who is Eureka's lead writer. They soon won a contract with New York Education Department to create Eureka, or Engage New York.

What is the highest level of math in 9th grade? ›

9th grade math usually focuses on Algebra I, but can include other advanced mathematics such as Geometry, Algebra II, Pre-Calculus or Trigonometry.

What is the hardest math in 5th grade? ›

Some of the hardest math problems for fifth graders involve multiplying: multiplying using square models, multiplying fractions and whole numbers using expanded form, and multiplying fractions using number lines.

What grade level does prodigy math go up to? ›

With 1,500+ curriculum-aligned math skills for 1st to 8th grade, Prodigy Math is so much more than a game. Prodigy Math is an engaging game-based learning platform that's dedicated to improving students' confidence and achievements in math.

What is advanced math in 8th grade? ›

Almost every school district in the state offers an accelerated math option for selected students. These students take Algebra I in 8th grade. These students complete Algebra II, Geometry and Precalculus one year earlier than their peers. This allows them to take AP Calculus A/B in their senior year.

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