We included HMH Into Math Grade 4 Answer Key PDF Module 7 Lesson 3 Divide by 1-Digit Numbers to make students experts in learning maths.
HMH Into Math Grade 4 Module 7 Lesson 3 Answer Key Divide by 1-Digit Numbers
I Can divide a multi-digit number by a 1-digit number and check the answer.
Step It Out
1. Jenni has 4,155 tickets for the air show. She gives the same number of tickets to 4 schools in the area. How many tickets does each school get?
A. Divide the thousands.
- ___ thousand is in each group.
- Subtract the ___ thousands in groups.
- There are 0 leftover thousands to regroup.
Answer :
- 4 thousand is in each group.
- Subtract the 4 thousand in groups.
- There are 0 leftover thousands to regroup.
B. Divide the hundreds.
- You cannot share 1 hundred among 4 groups. So, write a 0 in the hundreds place of the whole-number quotient.
- Regroup the 1 hundred as _____ tens.
Answer:
- You cannot share 1 hundred among 4 groups. So, write a 0 in the hundreds place of the whole-number quotient.
- Regroup the 1 hundred as 15 tens.
C. Divide the tens.
- _____ tens are in each group.
- Subtract the _____ tens in groups.
- Regroup the leftover tens.
Answer:
- 15 tens are in each group.
- Subtract the 12 tens into groups.
- Regroup the leftover tens.
D. Divide the ones.
- _____ ones are in each group.
- Subtract the ___ ones in groups.
- Write the _____ leftover ones as the remainder.
Answer:
- 35 ones are in each group.
- Subtract the 32 ones in groups.
- Write the 3 leftover ones as the remainder.
E. Each school gets ____ tickets.
Answer:
Each school gets 3 tickets.
Step It Out
2. Division and multiplication are inverse operations. So, you can use multiplication to check your answer to a division problem.
A. Show the relationship between multiplication and division when there is no remainder.
Dividend ÷ Divisor = Quotient
Quotient × ___ = ____
Answer:
Quotient x divisor = Dividend.
B. Show the relationship when there is a remainder.
Whole-Number Quotient × ___ + ___ = ____
Answer:
Whole-Number Quotient × divisor + Remainder = Dividend.
C. Apply the relationships to check division.
Turn and Talk What are other ways you can check that your answer to a division problem is reasonable?
Check Understanding
Divide and check.
Question 1.
Answer:
Question 2.
Answer:
On Your Own
Question 3.
Reason A single-engine airplane with fuel can carry a maximum of 460 pounds in cargo. The pilot wants to load 5 boxes of equipment. If all the boxes have the same weight, what is the maximum weight each box can have?
Answer:
Attend to Precision Divide and check.
Question 4.
Answer:
Question 5.
Answer:
Question 6.
Answer:
Question 7.
Answer:
Question 8.
Use Structure When you divide a 4-digit number by a 1-digit number, how many digits can the whole-number quotient have? Explain how you know.
Answer:
The whole number can still have 4 digits depending on the 1 digit. Because 1 digit number may or may not be multiple. Thereofore, it can have still 4 digits.
On Your Own
Question 9.
STEM The force of wind can change how fast an airplane flies. With a tailwind, a plane flies 2,340 miles in 5 hours. With a headwind, the plane flies the same distance in 6 hours. If the plane with the headwind flies the same distance every hour, how many miles does it fly each hour?
Answer:
Given,
The force of the wind can change how fast an airplane flies.
With a tailwind, a plane flies 2,340 miles in 5 hours.
With a headwind, the plane flies the same distance in 6 hours.
Therefore, plane fly 390 miles each hour.
Question 10.
Attend to Precision Mr. Tyler buys 4 round-trip tickets from Ft. Lauderdale, Florida, to Toronto, Canada. The total cost is $2,156. How much does each ticket cost?
Answer:
Given,
Mr. Tyler buys 4 round-trip tickets from Ft. Lauderdale, Florida, to Toronto, Canada.
The total cost is $2,156.
Therefore, Each ticket costs $539.
Question 11.
Open Ended Write and solve a story problem that can be modeled by the equation 7,568 ÷ 7 = n.
Answer:
Given,
7,568 ÷ 7 = n
n =
Therefore, the value of n is 1081.
Question 12.
Critique Reasoning Delton completes this division, Is his answer correct? Explain why or why not.
Answer:
No, the answer is not correct. Because the correct quotient is 1042 but Delton got quotient as 142.