6th Grade Math Textbook, Fundamentals

Lesson 5-11 for exercise sets. &KDSWHU 

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To divide a mixed number and an integer, rename the mixed number

andthe integer as fractions greater than or equal to 1 before computing.

Divide: 5  8

5  8   Rename as fractions.

 Multiply by the reciprocal of the divisor. Simplify.

 Express in simplest form.

To simplify a complex fraction, rename the divisor and dividend so that

both are in fraction form. Then divide the numerator by the denominator.

2

3

2 • 1

3 • 1

(^161)
8
2
1
3 •
8
1
16
3
1
3
1
3
Divide. Express your answer in simplest form.

1. 2  2. 7  3 3. 21  1 4. 6 ( (^2) ) 5.
   Evaluate.
   6.ab,when a , b 7.mn, when m 1, n 2
   8.Discuss and Write Is the quotient of 3  greater than the dividend or
   less than the dividend? Explain your answer.
   1
   4
   1
   8
   2
   3
    1
   6
   3
   8
   1
   2
   1
   6
   5
   7
   3
   4
   1
   4
   5
   8
   1
   6
   2
   3
   1
   2
   7
   8
   Evaluate ab, when a and b.
   ab ()
    • () reciprocal of divisor
    • ()
     ^167227
   8
    (^31)
   6
   7
   2
   8
    3
   6
   7
    3
   8
   6
   7
    3
   8
   6
   7 Evaluate ab, when a 1 and b.
   ab  1 
    • reciprocal of divisor
    •
    ^212
   6
   5
   2
   1
   5
   3
   1
   1
   6
   5
   5
   3
   5
   6
   2
   3
   5
   6
   2
   3

You can evaluate algebraic expressions involving division and fractions.

• Simplify:



 •

 ^143423

8

3

2

7

(^41)
3
8
7
4
7
4
3
8
(^134)
3
8
143
3
8

• Simplify:



 •

^23

5

18

1

3

12

5

2

1

18

5

12

5

12

5

18

5

2

3

2

5

3

5

2

3

2

5

3

5