6th Grade Math Textbook, Progress

11

Operations VII

Divide Whole Numbers

Divide: 4782
 83 .

Estimate by using compatible numbers: 4800
 80 60.

Decidewhere to begin the quotient.

83 
 4  7  8  2 83  47

83 
 4  7  8  2 83  478

The quotient begins in the tens place.

The quotient is 57 R51.

Study these examples.

Estimate by using compatible numbers. Then find the quotient.

1. 24
   5  2  2  2. 45
   3  2  6  8  3. 79
   5  5  7  6  4. 65
   $ 9 .1 0 


2. 38
   1  5  8  9  6. 17
   1  6  3  4  7. 59
   4  2  6  7  8. 19
   $ 1  8 .2 4 

57

 83

171

^456

4731

 51

4782

57 R51 1

83 
 4  7  8  2

 (^415) 
632
 (^581) 
51
5 5
83
 4  7  8  2
 (^415) 
63
?
Divide the tens. Divide the ones. Check.
$. 28
3
$.8 4
 (^6) 
24
 (^24) 
$. 17
23
$ 3 .9 1
 (^2) . 3

1. 61
    (^1) . 61
   Think
   57 R51 is close to the
   estimate of 60.
   Think
   Estimate:
   $.90
   3 $.30
   Think
   Estimate:
   $4.00
   20 $.20
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