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McGraw-Hill Math Grade 7 Answer Key Lesson 3.1 Dividing Whole Numbers
Exercises Divide and Round To the nearest Hundredth
Question 1.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 395 and divisor is 7. Divide 395 by 7 the quotient is equal to 56.427 and remainder is 4.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 7 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 56.43.
Question 2.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 950 and divisor is 21. Divide 950 by 21 the quotient is equal to 45.238 and remainder is 2.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 8 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 45.24.
Question 3.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 9475 and divisor is 12. Divide 9475 by 12 the quotient is equal to 789.583 and remainder is 4.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 3 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 789.58.
Question 4.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 18980 and divisor is 36. Divide 18980 by 36 the quotient is equal to 527.222 and remainder is 8.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 2 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 527.22.
Question 5.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 8317 and divisor is 13. Divide 8317 by 13 the quotient is equal to 639.769 and remainder is 3.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 9 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 639.77.
Question 6.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 2000 and divisor is 44. Divide 2000 by 44 the quotient is equal to 45.454 and remainder is 24.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 4 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 45.45.
Question 7.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 256 and divisor is 3. Divide 256 by 3 the quotient is equal to 85.333 and remainder is 1.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 3 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 85.33.
Question 8.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 801 and divisor is 22. Divide 801 by 22 the quotient is equal to 36.409 and remainder is 2.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 9 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 36.41.
Question 9.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 788 and divisor is 14. Divide 788 by 14 the quotient is equal to 56.285 and remainder is 10.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 5 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 56.29.
Question 10.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 15412 and divisor is 16. Divide 15412 by 16 the quotient is equal to 963.25 and remainder is 0.
Question 11.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 40477 and divisor is 41. Divide 40477 by 41 the quotient is equal to 987.243 and remainder is 37.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 3 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 987.24.
Question 12.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 3041 and divisor is 37. Divide 3041 by 37 the quotient is equal to 82.189 and remainder is 7.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 9 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 82.19.
Question 13.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 9503 and divisor is 45. Divide 9503 by 45 the quotient is equal to 211.177 and remainder is 35.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 7 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 211.18.
Question 14.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 477 and divisor is 13. Divide 477 by 13 the quotient is equal to 36.692 and remainder is 13.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 2 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 36.69.
Question 15.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 4655 and divisor is 32. Divide 4655 by 32 the quotient is equal to 145.468 and remainder is 24.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 8 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 145.47.
Question 16.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 13183 and divisor is 89. Divide 13183 by 89 the quotient is equal to 148.123 and remainder is 53.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 3 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 148.12.
Question 17.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 4442 and divisor is 7. Divide 4442 by 7 the quotient is equal to 634.571 and remainder is 3.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 1 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 634.57.
Question 18.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 10602 and divisor is 11. Divide 10602 by 11 the quotient is equal to 963.818 and remainder is 1.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 8 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 963.82.
Question 19.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 13501 and divisor is 14. Divide 13501 by 14 the quotient is equal to 964.357 and remainder is 2.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 7 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 964.36.
Question 20.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 1444 and divisor is 32. Divide 1444 by 32 the quotient is equal to 45.125 and remainder is 0.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 5 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 45.13.
Question 21.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 2983 and divisor is 38. Divide 2983 by 38 the quotient is equal to 78.5 and remainder is 0.
Question 22.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 257 and divisor is 3. Divide 257 by 3 the quotient is equal to 85.666 and remainder is 2.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 6 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 85.67.
Question 23.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 1039 and divisor is 11. Divide 1039 by 11 the quotient is equal to 94.454 and remainder is 6.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 4 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 94.45.
Question 24.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 1484 and divisor is 33. Divide 1484 by 33 the quotient is equal to 44.969 and remainder is 23.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 9 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 44.97.
Question 25.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 2677 and divisor is 41. Divide 2677 by 41 the quotient is equal to 65.292 and remainder is 28.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 2 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 65.29.
Question 26.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 733 and divisor is 8. Divide 733 by 8 the quotient is equal to 91.625 and remainder is 0.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 5 which is greater than or equal to 5. So, we need to add 1 to the hundredths place in order to round it to the nearest hundredth. Finally after rounding the quotient will be 91.63.
Question 27.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 166 and divisor is 12. Divide 166 by 12 the quotient is equal to 13.833 and remainder is 4.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 3 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 13.83.
Question 28.
Answer:
Explanation:
Perform division operation on above two numbers. Here dividend is 11616 and divisor is 74. Divide 11616 by 74 the quotient is equal to 156.972 and remainder is 72.
We have to consider the thousandths place value when we are rounding quotient to the nearest hundredth.
We can see thousandths place value is 2 which is less than 5. So, we need to remove the digit. Finally after rounding the quotient will be 156.97.
Question 29.
A tailor can repair about 20 garments in a day. How many days will it take him to repair 300 garments?
Answer:
20 garments = 1 day
300 garments = ? days
(300 x 1)/20 = 15 days
To repair 300 garments a tailor can take 15 days.
Question 30.
Ms. Bailey is making information packets for all attendees at an education seminar. Each packet contains a total of 28 pages. If Ms. Bailey uses 1,400 sheets of paper, how many people plan to attend the education seminar?
Answer:
Given,
Ms. Bailey is making information packets for all attendees at an education seminar.
Each packet contains a total of 28 pages.
Ms. Bailey uses 1,400 sheets of paper
1400 ÷ 28 = 50