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.