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.
