Go through the Math in Focus Grade 4 Workbook Answer Key Chapter 3 Practice 4 Dividing by a 1-Digit Number to finish your assignments.

## Math in Focus Grade 4 Chapter 3 Practice 4 Answer Key Dividing by a 1-Digit Number

**Fill in the blanks to find each quotient.**

Example

4,900 ÷ 7 = __49__ hundreds ÷ 7

= __7__ hundreds

= __700__

Question 1.

6,000 ÷ 3 = ___ thousands ÷ 3

= ___ thousands

= ______

Answer:

6,000 ÷ 3 = 2,000.

Explanation:

Given that 6,000 ÷ 3

6,000 ÷ 3 = 6 thousands ÷ 3

= 2 thousands

= 2,000.

Question 2.

8,000 ÷ 2 = ___ thousands ÷ 2

= ____ thousands

= _____

Answer:

8,000 ÷ 2 = 4,000.

Explanation:

Given that 8,000 ÷ 2

8,000 ÷ 2 = 8 thousands ÷ 2

= 4 thousands

= 4,000.

Question 3.

2,400 ÷ 6 = ___ hundreds ÷ 6

= ____ hundreds

= _____

Answer:

2,400 ÷ 6 = 400.

Explanation:

Given that 2,400 ÷ 6

2,400 ÷ 6 = 24 hundreds ÷ 6

= 400 hundreds

= 400.

**Estimate each quotient.**

Question 4.

64 ÷ 3 is about ___ ÷ 3

= _____

Answer:

The estimated quotient is 20.

Explanation:

Given that 64 ÷ 3 which is about 60 ÷ 3,

So the estimated quotient is 20.

Question 5.

448 ÷ 9 is about ___ ÷ 9

= ____

Answer:

The estimated quotient is 50.

Explanation:

Given that 448 ÷ 9 which is about 450 ÷ 9,

So the estimated quotient is 50.

Question 6.

763 ÷ 4 is about ___ ÷ 4

= ____

Answer:

The estimated quotient is 190.

Explanation:

Given that 763 ÷ 4 which is about 760 ÷ 4,

So the estimated quotient is 190.

Question 7.

127 ÷ 5 is about ___ ÷ 5

= ____

Answer:

The estimated quotient is 25.

Explanation:

Given that 127 ÷ 5 which is about 125 ÷ 5,

So the estimated quotient is 25.

**Divide and find the missing numbers:**

Example

Question 8.

Answer:

Question 9.

Answer:

Question 10.

Answer:

**Divide. Then estimate to check that your answers are reasonable.**

Example

Question 11.

Estimate:

_____

Answer:

Estimated answer is 900.

Explanation:

Given that 3,620÷4, as 3,620 is about 3,600. So the estimation will be 3,600÷4 which is 900.

Question 12.

Estimate:

_____

Answer:

Estimated answer is 400.

Explanation:

Given that 2,807 ÷ 7, as 2,807 is about 2,800. So the estimation will be 2,800 ÷ 7 which is 400.

Question 13.

Estimate:

_____

Answer:

Estimated answer is 300.

Explanation:

Given that 1,842 ÷ 6, as 1842 is about 1,800. So the estimation will be 1,800 ÷ 6 which is 300.

**Find each quotient. Then estimate to check that your answers are reasonable**

Example

1144 ÷ 9 = __127__ R __1__

Estimate: 1,144 ÷ 9 is

about 900 ÷ 9 = 100.

The answer 127 R 1 is reasonable.

Question 14.

6,514 ÷ 4 = ___ R ____

Answer:

6,514 ÷ 4 = 1,628 R 2.

Explanation:

Given that 6,514 ÷ 4, as 6,514 is about 6,500. So 6,500 ÷ 4 which is 1,625.

6,514 ÷ 4 = 1,628 with remainder 2.

Question 15.

1,340 ÷ 7 = ___ R ____

Answer:

1,340 ÷ 7 = 191 R 3.

Explanation:

Given that 1,340 ÷ 7, as 1,400 is about 1,400. So 1,400 ÷ 7 which is 200.

1,340 ÷ 7 = 191 with remainder 3.

Question 16.

9,346 ÷ 8 = __ R ___

Answer:

9,346 ÷ 8 = 1,125 R 2.

Explanation:

Given that 9,346 ÷ 8, as 9,000 is about 1,125. So 9,000 ÷ 8 which is 1,125.

9,346 ÷ 8 = 1,125 with remainder 2.