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?
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