Unit 9.2 - Converting "Easy" Fractions To Decimals And Percents Examples And Worksheets Page 6
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8Teaching Master
Name
Date
Time
PARTNER
ENRICHMENT
LESSON
Adding Tenths and Hundredths
ACTIVITY
9 2
Writing and Solving
You can use base-10 blocks to model adding fractions with 10 and 100 in the denominator.
_
1
15–30 Min
Use a long
to represent
.
10
_
1
Use a cube
to represent
.
“Percent-of” Number Stories
100
53
_
ELL
_
3
_
23
+
=
Example:
100
10
100
+
To apply students’ understanding of fraction and percent
Model the problems with longs and cubes. Record your answer.
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66
equivalencies, have them write, illustrate, and solve
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5
_
16
1.
+
=
100
10
100
+
“percent-of” number stories. Ask students to exchange
_
stories with a partner, revise if necessary, and solve.
82
_
2
_
8
+
=
100
2.
100
10
+
To support English language learners, provide an opportunity for
students to share and revise their writing. For example:
3. Write your own problem. Have your partner solve it and record the answer.
Read problems aloud or have students read their own
problems aloud.
Solve. You may use base-10 blocks or any other method.
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51
Have students read and comment on each other’s drafts.
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34
_
+
17
=
4.
100
100
100
_
80
_
55
_
25
5.
+
=
100
100
100
_
73
_
33
_
4
6.
+
=
100
100
10
_
79
_
9
_
7
+
=
7.
100
PARTNER
100
10
EXTRA PRACTICE
ACTIVITY
Math Masters, p. 283A
Adding Tenths and Hundredths
5–15 Min
283A-283B_EMCS_B_MM_G4_U09_576965.indd 283A
3/6/11 8:18 AM
(Math Masters, pp. 283A, 283B, and 426)
To practice adding fractions with 10 and 100 in the denominator,
have students shade grids or use base-10 blocks to find the sums.
Students may want to use longs and cubes to model the problem.
INDEPENDENT
EXTRA PRACTICE
ACTIVITY
Finding Equivalent Names
5–15 Min
for Fractions
(Math Masters, p. 445)
Teaching Master
To practice finding equivalent decimals and percents for fractions,
Name
Date
Time
LESSON
Adding Tenths and Hundredths
have students shade grids and fill in the missing numbers. Use
9 2
continued
Math Masters, page 445 to create problems to meet the needs of
You can also model adding tenths and hundredths by shading a grid.
Example:
individual students, or have students create and solve their
own problems.
_
3
_
27
_
57
+
=
10
100
100
Shade the grid to help find the sum.
8.
9.
_
_
86
59
_
5
+
_
36
=
_
19
+
_
4
=
100
100
10
100
100
10
10.
11.
_
_
_
74
6
60
, or
_
6
_
_
30
_
3
+
14
=
+
=
100
10
100
10
100
100
10
12.
13.
_
_
84
99
_
2
_
64
_
9
_
9
+
=
+
=
100
100
10
100
100
10
Math Masters, p. 283B
283A-283B_EMCS_B_MM_G4_U09_576965.indd 283B
4/11/11 12:17 PM
Lesson 9 2
733
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