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This is a complete lesson that includes examples and exercises about two-digit divisor in long division.

1.
Reteaching

5-2

Dividing Whole Numbers:

2-Digit Divisors

Find 8,365 4 34.

Step 1: Round the divisor to Step 2: Use this fact to begin the Step 4: What basic division

the nearest ten. Look at the first quotient. Write it over the hundreds fact is the best estimate of the

digit in the divisor and the first place. next division? Use this fact and

digit in the dividend. What basic write it over the ones place.

2

division fact is the best estimate 246 R1

34

8,365

of the quotient of these two 34

8,365

268

numbers? 268

156

8,365 30

8,365 Multiply, 2 34 5 68. 156

Subtract and bring down the 2136

8 3 2 R2

next digit in the dividend. 205

2204

Step 3: What basic division fact 1

is the best estimate of the next Multiply, 6 34 5 204.

division? Use this fact and write it Subtract. Compare the

over the tens place. remainder with the divisor.

24 If the remainder is less than the

34

8,365 divisor, write it in the quotient.

268 Check.

156 246 3 34 5 8,364

2136 8,364 1 5 8,365

205

Multiply, 4 3 34 5 136. Subtract

and bring down the next digit in

the dividend.

112 R R3 R

1. 39

4,372 2. 24

6,315 3. 26

9,289

Divide. Check by multiplying.

4. 13

1,722 5. 44

6,668

6. April has 905 baseball cards. She wants to organize them on pages that hold

18 cards each. She has 50 pages. Does April have enough pages to organize all

her cards?

R 5•2 Copyright © Pearson Education, Inc., or its afﬁliates. All Rights Reserved. 6

5-2

Dividing Whole Numbers:

2-Digit Divisors

Find 8,365 4 34.

Step 1: Round the divisor to Step 2: Use this fact to begin the Step 4: What basic division

the nearest ten. Look at the first quotient. Write it over the hundreds fact is the best estimate of the

digit in the divisor and the first place. next division? Use this fact and

digit in the dividend. What basic write it over the ones place.

2

division fact is the best estimate 246 R1

34

8,365

of the quotient of these two 34

8,365

268

numbers? 268

156

8,365 30

8,365 Multiply, 2 34 5 68. 156

Subtract and bring down the 2136

8 3 2 R2

next digit in the dividend. 205

2204

Step 3: What basic division fact 1

is the best estimate of the next Multiply, 6 34 5 204.

division? Use this fact and write it Subtract. Compare the

over the tens place. remainder with the divisor.

24 If the remainder is less than the

34

8,365 divisor, write it in the quotient.

268 Check.

156 246 3 34 5 8,364

2136 8,364 1 5 8,365

205

Multiply, 4 3 34 5 136. Subtract

and bring down the next digit in

the dividend.

112 R R3 R

1. 39

4,372 2. 24

6,315 3. 26

9,289

Divide. Check by multiplying.

4. 13

1,722 5. 44

6,668

6. April has 905 baseball cards. She wants to organize them on pages that hold

18 cards each. She has 50 pages. Does April have enough pages to organize all

her cards?

R 5•2 Copyright © Pearson Education, Inc., or its afﬁliates. All Rights Reserved. 6