&KDSWHU
3UDFWLFH $FWLYLWLHV
Simplify:
Add.
Rename 0.5 as.
Multiply.
Simplify.
Rewrite in horizontal form.
Simplify.
32
Multiply by the reciprocal to divide.
12
1
8
3
4
1
1
2
12
3
8
12
3
4
1
- 2
12
(^34) • 05.
12 5 0 5
(^3405)
..
•.
12 5 0 5
(^3405)
..
•.
12
1
3
8
8
3
12
1
32
1
2
Lesson 5-13 for exercise sets.
Simplify:
Simplify the power.
Simplify the power.
Add.
17 (5)
Rename as fractions.
3
Compute
within parentheses.
89
25
14
25
(^895) (^15) Multiply by the reciprocal to divide.
5
1
89
5
Rewrite in
horizontal form.
Subtract and rewrite the
difference in simplest form.
4
5
17
5
4
5
17
13 8
4
5
17
(^132)
4
5
^3
17
2152
4
5
() ^3
25 7
215 2
2
10
3
()
5 7
215 2
2
3
2
10
()
57
215 2
2
3
2
10
()
1
Remember that the division bar is a grouping symbol. To simplify
an expression with a division bar, first simplify above the bar, next
simplify below the bar, and finally divide.
Simplify.
1.(0.2)^4 • (0.3)^2 2.()
3
()
2
3.(0.5)^3 • ( )
3
4.3(4.6 0.3) (3)^2 5. 21 7 4 6.[ 24 (16)] 22 0.5
10.Discuss and Write For the expression , is it easier to solve it
the way it is, to rename the decimals as fractions, or to rename the fractions
as decimals? Show examples to justify your answer.
383
62
3
4
3
4
1
2
2
()
12 5 0 5
3
4
1
2
..
2.4 (4.6)
( 7 )( 10 )
383
2
1
2
3
4
1
2
2
25
1
5
2
3
3
4
1
2