my homework lesson 4 multiplication patterns

• Texas Go Math
• Big Ideas Math
• Engageny Math
• McGraw Hill My Math
• enVision Math
• 180 Days of Math
• Math in Focus Answer Key
• Math Expressions Answer Key
• Privacy Policy

McGraw Hill My Math Grade 5 Chapter 2 Lesson 4 Answer Key Multiplication Patterns

All the solutions provided in McGraw Hill Math Grade 5 Answer Key PDF Chapter 2 Lesson 4 Multiplication Patterns  will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 5 Answer Key Chapter 2 Lesson 4 Multiplication Patterns

Example 2 Find 13 × 10 2 mentally. Answer: 1300

Explanation: Given, 13 × 10 2 13 × 10 × 10 1300

Question 1. Write 10 2 without exponents. 13 × 10 2 = ____ 13 × ____ Answer: 1300

Explanation: Given 10 2 10 2  = 100 13 × 10 2 13 × 100 = 1300

Explanation: The number of zeros to the exponent of 10 2 . They are the two zeros.

Question 3. Write the zeros to the right of 13. 1, 3 ___ ____ So, the product is _________ Answer: 1300

Explanation: Given, 1, 3 0 0 The product is 13 × 100

Example 3 Find 40 × 7,000 mentally. Answer: 280000

Explanation: The multiplication of 40 × 7,000 = 280000

Question 1. Write the basic multiplication fact. 4 × ____ Answer: 4 × 7 = 28

Explanation: Given multiplicand is 4 and the multiplier is 7. By multiplying both multiplicand 4 and multiplier 7, we get the value as 28.

Explanation: Given, 40 × 7000 The number of zeros in each factor is 4 zeros.

Question 3. Write the zeros to the right of the product from step 1. 28, ___, ___ ___ ____ So, the product is ____ Answer: 28000.

Explanation: Given, 28, 0, 0, 0, 0 so, the product is 28000.

Explanation: The product of 29 and 10 3 29 × 10 × 10 × 10 29000

Guided Practice

Find each product mentally.

Question 1. 8 × 10 2 10 2 = ____ so, 8 × 10 2 = ____ Answer: 800

Explanation: Given, 10 2 = 100 8 × 10 2 = 800

Question 2. 14 × 2,000 basic multiplication fact: ___ × ____ = 28 total number of zeros = ____ So, 14 × 2,000 = _____ Answer: 28000

Explanation: Given, 14 × 2 = 28 Total number of zeros = 3 so, 14 × 2,000 = 28000

Independent Practice

Question 3. 13 × 1,000 = ____ Answer: 13000

Explanation: The given number is 13 × 1,000 By multiplying the given number the answer is 13000.

Question 4. 37 × 10 2 = ____ Answer: 3700

Explanation: The given question is 37 × 10 2 37 × 10 × 10 3700

Question 5. 9,000 × 3 = ____ Answer: 27000

Explanation: The given question is 9,000 × 3 9 × 3 × 1000 27000

Question 6. 8 × 10 2 = ____ Answer: 800

Explanation: The given question is 8 × 10 2 8 × 10 × 10 800

Question 7. 21 × 10 1 = ___ Answer: 210

Explanation: The given question is 21 × 10 1 21 × 10 210

Question 8. 9 × 50 = ____ Answer: 450

Explanation: The given question is 9 × 50 450

Algebra Find the missing number.

Problem Solving

Question 13. Each box contains 10 2 pencils. The school store has 15 boxes of pencils. How many pencils does the school store have? Answer: 1500

Explanation: Given, The school store has 15 boxes of pencils Each box contains 10 2 pencils. The school has 15 × 10 2 15 × 10 × 10 = 1500

Question 14. Mathematical PRACTICE 8 Explain to a Friend Guilia runs an average of 15 minutes each day. She has a goal of running 10 2 minutes in 7 days. Will she complete her running goal in 7 days? Explain to a friend. Answer: Yes, she will complete her running goal.

Explanation: 15 miles each day for 7 days is 105 miles, 5 more than her original goal.

Question 15. A group of friends bought 7 tickets to a dog show for $30 each. How much did they spend on the tickets? Answer: $210

Explanation: A dog show for $30 each A group of friends bought 7 tickets $30 × 7 $210

Hot Problems

Mathematical PRACTICE 2 Use Number Sense Find each missing exponent.

Question 20. ? Building on the Essential Question How can patterns be used to determine products of a number and a power of 10? Answer: Patterns can be used to determine products of a number of a power of 10 by following it to obtain easily the answer. When you multiply a number by a power of ten, you just have to write the number and then add the corresponding number of zeroes to the end which will be the same number as the power used.

McGraw Hill My Math Grade 5 Chapter 2 Lesson 4 My Homework Answer Key

Question 1. 70 × 500 = ___ Answer: 35000

Explanation: Given, 70 × 500 35000

Question 2. 320 × 10 2 = ____ Answer: 32000

Explanation: Given, 320 × 10 2 320 × 10 × 10 32000

Question 3. 56 × 10 3 = ___ Answer: 56000

Explanation: Given, 56 × 10 3 56 × 10 × 10 × 10 56000

Question 4. 10 2 × 72 = ____ Answer: 7200

Explanation: Given, 10 2 × 72 10 × 10 × 72 7200

Question 5. 80 × 3,000 = ___ Answer: 240000

Explanation: Given, 80 × 3,000 240000

Question 6. 10 3 × 31 = ____ Answer: 31000

Explanation: Given, 10 3 × 31 10 × 10 × 10 × 31 1000 × 31 31000

Question 7. To protect themselves from extreme hot or cold temperatures, American Alligators dig burrows in the mud. Suppose there are 20 alligators, each with 50 feet of burrows. What is the total length of all the burrows? Answer:

Explanation: Given, There are 20 alligators And each with 50 feet of burrows. The total length of all the burrows is 50 × 20 = 1000 burrows.

Question 8. Paulita reads an average of 20 pages each day. She has 6 days to read 10 2 pages. Will she finish her reading in 6 days? Explain. Answer: She can finish in 5 days.

Explanation: Paulita reads an average of 20 pages each day. She has 6 days to read 10 squared = 10 2 = 10 × 10 = 100 pages 10 squared / 20 pages each day = 10 2 ÷ 20 = 100 ÷ 20 = 5 days.

Question 9. Mathematical PRACTICE 1 Make Sense of Problems Explain how using basic facts can help you find 10 × 20 × 30 × 40 mentally. Answer: 240000.

Explanation: you just do 1 × 2 × 3 × 4 and then equals 24 so now we have 24 and then we add 4 zeros because their are 4 zeros in the equation so the answer is 240000.

Vocabulary Check

Fill in the blank with the correct term or number to complete the sentence.

Question 10. Numbers like 10, 100, 1,000, and so on are called _______ Answer: Numbers like 10, 100, 1,000, and so on are called powers of ten and they are easy to represent as exponents.

Test Practice

Question 11. A music store sold 10 3 CDs and 10 2 CD players. If each CD costs $12 and each CD player costs $35, what was the store’s total earnings? A. $15,500 B. $24,500 C. $36,200 D. $47,000 Answer: $15,500

Explanation: 10 3 CDs = 1000 at $12 each = $12000 +10 2 players = 100 at $35 each = $3500 Total = $15500 103(12) + 102 (35) = $4806 The store’s total earnings is $15,500.

Leave a Comment Cancel Reply

You must be logged in to post a comment.

Biglearners.com

• --> Math English
  -->
  -->
  -->
  -->
  -->
  -->

  textbook resources

  • Call us toll-free
  • FAQs – Frequently Asked Questions
  • Contact Lumos Learning – Proven Study Programs by Expert Teachers

  Follow us: Lumos Learning -->

  • 2024 © Lumos Learning
  • Privacy Policy - Terms of Service - Disclaimers

  PARCC® is a registered trademark of PARCC, Inc. Lumos Learning, is not owned by or affiliated in any fashion with PARCC, Inc... Read More

  PARCC® is a registered trademark of PARCC, Inc. Lumos Learning, is not owned by or affiliated in any fashion with PARCC, Inc., the Partnership for the Assessment of Readiness for College and Careers, nor any state of the Union. Neither PARCC, Inc., nor The Partnership for the Assessment of Readiness for College and Careers, nor any member state has endorsed this product. No portion of any fees or charges paid for any products or services Lumos Learning offers will be paid or inure to the benefit of PARCC, Inc., or any state of the Union

  SBAC is a copyright of The Regents of the University of California – Smarter Balanced Assessment Consortium, which is not aff... Read More

  SBAC is a copyright of The Regents of the University of California – Smarter Balanced Assessment Consortium, which is not affiliated to Lumos Learning. The Regents of the University of California – Smarter Balanced Assessment Consortium, was not involved in the production of, and does not endorse these products or this site.

  ACT® Aspire™ is a registered trademark of ACT Aspire LLC., which is not affiliated to Lumos Learning. ACT Aspire LLC, was not... Read More

  ACT® Aspire™ is a registered trademark of ACT Aspire LLC., which is not affiliated to Lumos Learning. ACT Aspire LLC,was not involved in the production of, and does not endorse these products or this site.

  Florida Department of Education is not affiliated to Lumos Learning. Florida department of education, was not involved in the... Read More

  Florida Department of Education is not affiliated to Lumos Learning. Florida department of education, was not involved in the production of, and does not endorse these products or this site.

  Indiana Department of Education is not affiliated to Lumos Learning. Indiana department of education, was not involved in the... Read More

  Indiana Department of Education is not affiliated to Lumos Learning. Indiana department of education, was not involved in the production of, and does not endorse these products or this site.

  Mississippi Department of Education is not affiliated to Lumos Learning. Mississippi department of education, was not involved... Read More

  Mississippi Department of Education is not affiliated to Lumos Learning. Mississippi department of education, was not involved in the production of, and does not endorse these products or this site.

  Ohio Department of Education is not affiliated to Lumos Learning. Ohio department of education, was not involved in the prod... Read More

  Ohio Department of Education is not affiliated to Lumos Learning. Ohio department of education, was not involved in the production of, and does not endorse these products or this site.

  Tennessee Department of Education is not affiliated to Lumos Learning. Tennessee department of education, was not involved... Read More

  Tennessee Department of Education is not affiliated to Lumos Learning. Tennessee department of education, was not involved in the production of, and does not endorse these products or this site.

  Georgia Department of Education is not affiliated to Lumos Learning. Georgia department of education, was not involved... Read More

  Georgia Department of Education is not affiliated to Lumos Learning. Georgia department of education, was not involved in the production of, and does not endorse these products or this site.

  Missouri Department of Education is not affiliated to Lumos Learning. Missouri department of education, was not involved... Read More

  Missouri Department of Education is not affiliated to Lumos Learning. Missouri department of education, was not involved in the production of, and does not endorse these products or this site.

  Louisiana Department of Education is not affiliated to Lumos Learning. Louisiana department of education, was not involved... Read More

  Louisiana Department of Education is not affiliated to Lumos Learning. Louisiana department of education, was not involved in the production of, and does not endorse these products or this site.

  
  

  Homework Helper Lesson 4 Multiplication Patterns

  Description.