common core lesson 3 homework answers

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My Math 3 Volume 1 Common Core, Grade: 3 Publisher: McGraw-Hill

My math 3 volume 1 common core, title : my math 3 volume 1 common core, publisher : mcgraw-hill, isbn : 21150222, isbn-13 : 9780021150229, use the table below to find videos, mobile apps, worksheets and lessons that supplement my math 3 volume 1 common core., textbook resources.

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common core lesson 3 homework answers

Common Core Geometry Math (Worksheets, Homework, Lesson Plans)

Related Topics: Common Core Math Resources, Lesson Plans & Worksheets for all grades Common Core Math Video Lessons, Math Worksheets and Games for Geometry Common Core Math Video Lessons, Math Worksheets and Games for all grades

Looking for video lessons that will help you in your Common Core Geometry math classwork or homework? Looking for Common Core Math Worksheets and Lesson Plans that will help you prepare lessons for Geometry students?

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CCSS Math Answers

Eureka Math Grade 3 Module 3 Lesson 21 Answer Key

Grade 3 Eureka Math Answer Key is provided by subject experts as per the Common Core curriculum. Grade 3 Eureka Math Solutions provided educates the primary school Kids on all Math concepts of the chapter efficiently. Eureka Math Grade 3 Textbook Answers makes it easy for kids to Grasp the Concepts as well as solve any problem from chapter Tests, Practice Tests, Performance tests, cumulative practice, etc.

Engage NY Eureka Math 3rd Grade Module 3 Lesson 21 Answer Key

Eureka Grade 3 ensures students with the learning targets and success criteria. The Diverse opportunities will develop problem-solving skills among the primary school kids practicing Bigideas Math Grade 3 Solutions. Eureka Textbook Grade 3 answers help Students Master the subject on Consistent practice.

Eureka Math Grade 3 Module 3 Lesson 21 Sprint Answer Key

Eureka Math Grade 3 Module 3 Lesson 21 Sprint Answer Key 1

Answer: 2 x 3 = 6, 2 x 30 = 60, 20 x 3 = 60, 2 x 2 = 4, 2 x 20 = 40, 20 x 2 = 40, 4 x 2 = 8, 4 x 20 = 80, 40 x 2 = 80, 5 x 3 = 15, 50 x 3 = 150, 3 x 50 = 150, 4 x 4 = 16, 40 x 4 = 160, 4 x 40 = 160, 6 x 3 = 18, 6 x 30 = 180, 60 x 3 = 180, 7 x 5 = 35, 70 x 5 = 350, 7 x 50 = 350, 8 x 4 = 32, 8 x 40 = 320, 4 x 80 = 320, 9 x 6 = 54, 90 x 6 = 540, 2 x 5 = 10, 2 x 50 = 100, 3 x 90 = 270, 40 x 7 = 280, 5 x 40 = 200, 6 x 60 = 360, 70 x 6 = 420, 8 x 70 = 560, 80 x 6 = 480, 9 x 70 = 630, 50 x 6 = 300, 8 x 80 = 640, 9 x 80 = 720, 60 x 8 = 480, 70 x 7 = 490, 5 x 80 = 400, 60 x 9 = 540, 9 x 90 = 810.

Eureka-Math-Grade-3-Module-3-Lesson-21-Answer Key-1

Answer: 4 x 2 = 8, 4 x 20 = 80, 40 x 2 = 80, 3 x 3 = 9, 3 x 30 = 90, 30 x 3 = 90, 3 x 2 = 6, 3 x 20 = 60, 30 x 2 = 60, 5 x 5 = 25, 50 x 5 = 250, 5 x 50 = 250, 4 x 3 = 12, 40 x 3 = 120, 4 x 30 = 120, 7 x 3 = 21, 7 x 30 = 210, 70 x 3 = 210, 6 x 4 = 24, 60 x 4 = 240, 6 x 40 = 240, 9 x 4 = 36, 9 x 40 = 360, 90 x 4 = 360, 8 x 6 = 48, 80 x 6 = 480, 5 x 2 = 10, 5 x 20 = 100, 3 x 80 = 240, 40 x 8 = 320, 4 x 50 = 200, 8 x 80 = 640, 90 x 6 = 540, 6 x 70 = 420, 60 x 6 = 360, 7 x 70 = 490, 60 x 5 = 300, 6 x 80 = 480, 7 x 80 = 560, 80 x 6 = 480, 90 x 7 = 630, 8 x 50 = 400, 80 x 9 = 720, 7 x 90 = 630.

Eureka-Math-Grade-3-Module-3-Lesson-21-Answer Key-2

Eureka Math Grade 3 Module 3 Lesson 21 Problem Set Answer Key

Use the RDW process to solve each problem. Use a letter to represent the unknown.

Question 1. There are 60 seconds in 1 minute. Use a tape diagram to find the total number of seconds in 5 minutes and 45 seconds.

Answer: The total number of seconds = 345 seconds.

Explanation: In the above-given question, given that, There are 60 seconds in 1 minute. 60 x 5 = 300. 300 + 45 = 345.

Eureka Math Grade 3 Module 3 Lesson 21 Problem Set Answer Key 3

Answer: No, she does not have enough money to buy the art supplies.

Explanation: In the above-given question, given that, Lupe saves $30 each month for 4 months. 30 x 4 = 120. but the Art Supplies cost is $142. 120 is less than 142. so she does not buy.

Question 3. Brad receives 5 cents for each can or bottle he recycles. How many cents does Brad earn if he recycles 48 cans and 32 bottles?

Answer: The number of cents he recycles = 400 cents.

Explanation: In the above-given question, given that, Brad receives 5 cents for each can or bottle he recycles. 48 x 5 = 240. 32 x 5 = 150. 240 + 150 = 400.

Question 4. A box of 10 markers weighs 105 grams. If the empty box weighs 15 grams, how much does each marker weigh?

Answer: Each marker weight= 9.

Explanation: In the above-given question, given that, A box of 10 markers weighs 105 grams. If the empty box weighs 15 grams. 9 x 10 = 90. 105 – 15 = 90.

Question 5. Mr. Perez buys 3 sets of cards. Each set comes with 18 striped cards and 12 polka dot cards. He uses 49 cards. How many cards does he have left?

Answer: The number of cards he left = 51 cards.

Explanation: In the above-given question, given that, Mr. Perez buys 3 sets of cards. Each set comes with 18 striped cards and 12 polka dot cards. He uses 49 cards. 18 + 12 = 30. 30 x 3 = 90. 90 – 49 = 51. so the number of cards he left = 51.

Question 6. Ezra earns $9 an hour working at a book store. She works for 7 hours each day on Mondays and Wednesdays. How much does Ezra earn each week?

Answer: The amount does Ezra earns = $126.

Explanation: In the above-given question, given that, Ezra earns $9 an hour working at a book store. She works for 7 hours each day on Mondays and Wednesdays. 7 + 7 = 14. 14 x 9 = 126. so the amount Ezra earns = $126.

Eureka Math Grade 3 Module 3 Lesson 21 Exit Ticket Answer Key

Use the RDW process to solve. Use a letter to represent the unknown.

Frederick buys a can of 3 tennis balls. The empty can weighs 20 grams, and each tennis ball weighs 60 grams. What is the total weight of the can with 3 tennis balls?

Answer: The total weight of the can with 3 tennis balls = 160 grams.

Explanation: In the above-given question, given that, Frederick buys a can of 3 tennis balls. The empty can weighs 20 grams, and each ball weighs 60 grams. 60 x 3 = 180. 180 – 20 = 160.

Eureka Math Grade 3 Module 3 Lesson 21 Homework Answer Key

Use the RDW process for each problem. Use a letter to represent the unknown.

Question 1. There are 60 minutes in 1 hour. Use a tape diagram to find the total number of minutes in 6 hours and 15 minutes.

Answer: The total number of minutes in 6 hours and 15 minutes = 375 minutes.

Explanation: In the above-given question, given that, There are 60 minutes in 1 hour. 60 / n = 360. 360 / 60 = n. n = 60 + 15.

Question 2. Ms. Lemus buys 7 boxes of snacks. Each box has 12 packets of fruit snacks and 18 packets of cashews. How many snack packets does she buy altogether?

Answer: The number of snack packets = 210.

Explanation: In the above-given question, given that, Ms. Lemus buys 7 boxes of snacks. Each box has 12 packets of fruit snacks and 18 packets of cashews. 12 + 18 = 30. 30 x 7 = 210. so the number of snack packets = 210.

Question 3. Tamara wants to buy a tablet that costs $437. She saves $50 a month for 9 months. Does she have enough money to buy the tablet? Explain why or why not.

Answer: Yes, she has enough money.

Explanation: In the above-given question, given that, Tamara wants to buy a table that costs $437. she saves $50 a month for 9 months. 50 x 9 = 450. so she has enough money to buy.

Question 4. Mr. Ramirez receives 4 sets of books. Each set has 16 fiction books and 14 nonfiction books. He puts 97 books in his library and donates the rest. How many books does he donate?

Answer: The number of books he donates = 23.

Explanation: In the above-given question, given that, Mr. Ramirez receives 4 sets of books. Each set has 16 fiction books and 14 nonfiction books. He puts 97 books in his library and donates the rest. 16 + 14 = 30. 30 x 4 = 120. 120 – 97 = 23. so the number of books he donates = 23.

Question 5. Celia sells calendars for a fundraiser. Each calendar costs $9. She sells 16 calendars to her family members and 14 calendars to the people in her neighborhood. Her goal is to earn $300. Does Celia reach her goal? Explain your answer.

Answer: No, she does not reach her goal.

Explanation: In the above-given question, given that, Celia sells calendars for a fundraiser. Each calendar costs $9. she sells 16 calendars to her family members and 14 calendars to the people in her neighborhood. 16 + 14 = 30. 30 x 9 = 270. so she does not reach her goal.

Question 6. The video store sells science and history movies for $5 each. How much money does the video store make if it sells 33 science movies and 57 history movies?

Answer: The video store makes = $450.

Explanation: In the above-given question, given that, The video store sells science and history movies for $5 each. 33 + 57 = 90. 90 x 5 = 450. so the video store makes = $450.

Eureka Math Grade 3 Module 3 Lesson 21 Template Answer Key

Eureka Math Grade 3 Module 3 Lesson 21 Template Answer Key 4

Answer: 30 x 6 = 180, 9 x 60 = 540, 40 x 2 = 80, 10 x 6 = 60, 70 x 3 = 210, 50 x 6 = 300, 80 x 9 = 720, 20 x 5 = 100, 8 x 30 = 240, 3 x 30 = 90, 5 x 50 = 250, 4 x 40 = 160, 6 x 80 = 480, 70 x 7 = 490, 20 x 7 = 140, 10 x 7 = 70, 90 x 7 = 630, 2 x 60 = 120, 50 x 7 = 350, 80 x 5 = 400, 60 x 6 = 360, 9 x 50 = 450, 30 x 9 = 270, 4 x 80 = 320.

Explanation: In the above-given table, given that, the multiplication of 6, 7, 8, and 9 are given.

Eureka-Math-Grade-3-Module-3-Lesson-21-Answer Key-3

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Math Expressions Answer Key

Math Expressions Grade 3 Unit 2 Lesson 2 Answer Key Solve Area Word Problems

Solve the questions in Math Expressions Grade 3 Homework and Remembering Answer Key Unit 2 Lesson 2 Answer Key Solve Area Word Problems to attempt the exam with higher confidence. https://mathexpressionsanswerkey.com/math-expressions-grade-3-unit-2-lesson-2-answer-key/

Math Expressions Common Core Grade 3 Unit 2 Lesson 2 Answer Key Solve Area Word Problems

Math Expressions Grade 3 Unit 2 Lesson 2 Homework

Lesson 2 Solve Area Word Problems Answer Key Grade 3 Math Expressions

Complete each Unknown Number puzzle.

Solve Area Word Problems Grade 4 Answer Key Unit 2 Math Expressions

Explanation: 9 × ?? = 36 => ?? = 36 ÷ 9 => ?? = 4. 2 × 4 = 8. ?? × 4 = 12 => ?? = 12 ÷ 4 => ?? = 3. 3 × ?? = 9 => ?? = 9 ÷ 3 => ?? = 3. 9 × 3 = 27. 2 × 3 = 6. 9 × 6 = 54. 2 × 6 = 12. 3 × 6 = 18.

Math Expressions Grade 3 Unit 2 Lesson 2 Homework and Remembering Answer Key 3

Explanation: ?? × 7 = 28. => ?? = 28 ÷ 7 => ?? = 4. ?? × 7 = 42. => ?? = 42 ÷ 7 => ?? = 6. ?? × 7 = 56 => ?? = 56 ÷ 7 => ?? = 8. 6 × ?? = 30. => ?? = 30 ÷ 6 => ?? = 5. 4 × 5 = 20. 8 × 5 = 40. 4 × 6 = 24. 6 × 6 = 36. 8 × 6 = 48.

Math Expressions Grade 3 Unit 2 Lesson 2 Homework and Remembering Answer Key 4

Explanation: 7 × ?? = 56 => ?? = 56 ÷ 7 => ?? = 8. 5 × 8 = 40. 5 × ?? = 30. => ?? = 30 ÷ 5 => ?? = 6. 7 × 6 = 42. 5 × 4 = 20. 7 × 4 = 28. ?? × 4 = 12. => ?? = 12 ÷ 4 => ?? = 3. 8 × 3 = 24. 8 × 6 = 18.

Solve each problem. Label your answers with the correct units.

Question 4. Raul built a rectangular tabletop with a length of 3 feet and a width of 6 feet. What is the area of the tabletop? Answer: Area of the tabletop = 18 square feet.

Explanation: Length of the rectangular tabletop Raul built = 3 feet. Width of the rectangular tabletop Raul built = 6 feet. Area of the tabletop = Length of the rectangular tabletop Raul built  × Width of the rectangular tabletop Raul built = 3 × 6 = 18 square feet.

Question 5. Li Fong covered the rectangular floor of his tree house with 48 square feet of carpeting. If one side of the floor has a length of 6 feet, what is the length of the adjacent side? Answer: Length of the adjacent side = 8 feet.

Explanation: Li Fong covered the rectangular floor of his tree house with 48 square feet of carpeting. => Area of the rectangular floor Li Fong covered = 48 square feet. Length of the one side of the floor = 6 feet. Length of the adjacent side = Area of the rectangular floor Li Fong covered  ÷ Length of the one side of the floor = 48 ÷ 6 = 8 feet.

Question 6. Frances wants to paint a rectangular wall that has a width of 8 feet and a length of 9 feet. She has a quart of paint that will cover 85 square feet. What is the area of the wall? Does Frances have enough paint? Answer: Area of the wall = 72 square feet. Yes, she has (a quart of paint that will cover 85 square feet) the enough paint to paint the wall (area of the wall is 72 square feet) .

Explanation: Width of the rectangular wall Frances wants to paint = 8 feet. Length of the rectangular wall Frances wants to paint = 9 feet. Area of the quart of paint she has can cover the wall = 85 square feet. Area of the wall = Width of the rectangular wall Frances wants to paint × Length of the rectangular wall Frances wants to paint = 8 × 9 = 72 square feet.

Question 7. Willis cut out a paper rectangle with an area of 42 square centimeters. If one side has a length of 6 centimeters, what is the length of the adjacent side? Answer: Length of the adjacent side = 7 centimeters.

Explanation: Area of the paper rectangle Willis cut out = 42 square centimeters. Length of one side = 6 centimeters. Length of the adjacent side = Area of the paper rectangle Willis cut out ÷ Length of one side = 42 ÷ 6 = 7 centimeters.

Math Expressions Grade 3 Unit 2 Lesson 2 Remembering

Question 1. 3 × (5 × 1) = ___ Answer: 3 × (5 × 1) = 3 × 5 = 15.

Question 2. (2 × 5) × 3 = ___ Answer: (2 × 5) × 3 = 10 × 3 = 30.

Question 3. (0 × 4) × 9 = ___ Answer: (0 × 4) × 9 = 0 × 9 = 0.

Question 4. 22 × 1 = ___ Answer: 22 × 1 = 22.

Question 5. 4 × 7 = 7 × __ = ___ Answer: 4 × 7 = 7 × __4__ = 28.

Explanation: 4 × 7 = 7 × ?? => (4 × 7) = 7 × ?? => 28 ÷ 7 = ?? => 4 = ?? => 4 × 7 = 28. => 7 × 4 = 28. Hence, 4 × 7 = 7 × 4 = 28.

Question 6. (3 × 3) × 6 = ___ Answer: (3 × 3) × 6 = 9 × 6 = 54.

Read the problem and decide what type of problem it is. Write the letter from the list below. Then write an equation and solve the problem.

a. Array Multiplication b. Array Division c. Equal Groups of Multiplication d. Equal Division with Unknown Group Size e. Equal Division with an Unknown Multiplier (number of groups)

Question 7. Andrew has 18 invitations to write. If he writes 3 invitations a day, how many days will it take him to finish? Answer: d. Equal Division with Unknown Group Size. Number of days it takes him to finish = 6.

Explanation: Number of invitations Andrew has to write = 18. Number of invitations Andrew writes a day = 3. Number of days it takes him to finish = Number of invitations Andrew has to write ÷ Number of invitations Andrew writes a day = 18 ÷ 3 = 6.

Solve each problem.

Question 8. Brian buys 6 video games. They cost $10 each. How much does he spend on the video games? Answer: c. Equal Groups of Multiplication. Total amount of money he spends on the video games = $60.

Explanation: Number of video games Brian buys = 6. Cost of the each video games Brian buys = $10. Total amount of money he spends on the video games = Number of video games Brian buys × Cost of the each video games Brian buys = 6 × 10 = $60.

Question 9. Sharon plants 48 rose bushes. Each row has 6 rose bushes. How many rows of rose bushes does Sharon plant? Answer: b. Array Division. Number of rows of rose bushes Sharon plant = 8.

Explanation: Number of rose bushes Sharon plants = 48. Number of rose bushes in each row = 6. Number of rows of rose bushes Sharon plant = Number of rose bushes Sharon plants ÷ Number of rose bushes in each row = 48 ÷ 6 = 8.

Question 10. Stretch Your Thinking Ming’s rug has a length that is 2 times its width. The area of the rug is 8 square feet. What is the length and width of Ming’s rug? Answer: e. Equal Division with an Unknown Multiplier (number of groups) Length of the Ming’s rug  = 4 feet. Width of the Ming’s rug  = 2 feet.

Explanation: Let the width of the Ming’s rug be w feet. Ming’s rug has a length that is 2 times its width. => Length of the Ming’s rug = 2 × Width of the Ming’s rug => 2 × w => 2w. Given: Area of the rug = 8 square feet. Area of the Ming’s rug = Length of the Ming’s rug  × Width of the Ming’s rug 8 = 2w × w 8 ÷ 2= w × w 4 = 2w 2 feet = w. Length of the Ming’s rug  = 2 × w = 2 ×2 = 4 feet.

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    Answer: The total weight of the can with 3 tennis balls = 160 grams. Explanation: In the above-given question, given that, Frederick buys a can of 3 tennis balls. The empty can weighs 20 grams, and each ball weighs 60 grams. 60 x 3 = 180. 180 - 20 = 160. Eureka Math Grade 3 Module 3 Lesson 21 Homework Answer Key. Use the RDW process for each ...

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