Unit 9.2 - Converting "Easy" Fractions To Decimals And Percents Examples And Worksheets Page 4
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1
2
3
4
5
6
7
8Student Page
Games
2
Ongoing Learning & Practice
Rugs and Fences
Materials
□
1 Rugs and Fences Polygon Deck A, B, or C
(Math Masters, page 499, 500, or 501)
□
1 Rugs and Fences Area and Perimeter Deck
(Math Masters, page 498)
□
Playing Rugs and Fences
PARTNER
1 Rugs and Fences Record Sheet for each
player (Math Masters, page 502)
ACTIVITY
Players
2
Skill
Calculating area and perimeter
(Student Reference Book, pp. 260 and 261; Math Masters, pp. 498–502)
Object of the game
To score more points by finding the
perimeters and areas of polygons.
Directions
Students play Rugs and Fences to practice finding the area and
1. Select one of the Polygon Decks—A, B, or C. Shuffle
the deck and place it picture-side down on the table.
perimeter of a polygon. Note that area is reported in square units
(Variation: Combine 2 or 3 Polygon decks.)
2. Shuffle the deck of Area and Perimeter cards and place
and perimeter in units. When using Polygon Deck C, students
it word-side down next to the Polygon Deck.
3. Players take turns. At each turn, a player draws 1 card from
Examples from Polygon
should assume that sides that appear to be the same length are
Decks A, B, and C
each deck and places them faceup on the table.
The player finds the area (A) or the perimeter (P) of the
polygon, as directed by the Area and Perimeter card.
the same length and angles that appear to be right angles are
♦
If a “Player’s Choice” card is drawn, the player may choose
right angles.
to find either the area or the perimeter of the polygon.
♦
If an “Opponent’s Choice” card is drawn, the opposing
player chooses whether the area or the perimeter of the
polygon will be found.
4. A player records a turn on his or her Record Sheet. The
player records the polygon card number, circles A (area) or
Polygon Deck A
Polygon Deck B
Polygon Deck C
P (perimeter), and writes a number model used to calculate
the area or perimeter. The solution is the player’s score for
the round.
Card
A
P
Card
A
P
Card
A
P
5. The player with the higher total score at the end of
There are 4 kinds of Area
8 rounds is the winner.
and Perimeter cards.
1
17
33
48
28
35
24
48
28
2
18
34
40
26
36
26
22
20
Student Reference Book, p. 260
3
19
35
20
24
14
18
48
36
4
20
36
16
20
60
32
17
20
5
21
37
27
24
64
32
28
28
6
22
38
49
28
8
18
40
36
7
23
39
56
30
36
24
28
32
8
24
40
9
20
54
30
24
24
9
25
41
24
20
48
32
23
26
.
10
26
42
72
34
6
12
28
32
11
27
43
42
26
54
36
86
54
12
28
44
Student Page
63
32
192
64
48
32
Date
Time
13
29
45
25
20
32
26
22
30
LESSON
Math Boxes
9 2
14
30
46
16
16
64
36
48
52
Complete the table with equivalent names.
About 4.02% of the words on the Internet
1.
2.
are the, and about 1.68% of the words are
15
31
47
Fraction
Decimal
Percent
28
22
20
25
60
32
and. About what percent of all words on
the Internet are either the or and? Choose
1 _
0.20
20%
5
the best answer.
_
4
16
32
48
80%
0.80
18
18
216
66
160
70
5
5.71%
3 _
0.30
30%
10
5.7%
_
9
0.90
90%
10
570%
61
62
34–37
57%
3.
Complete.
4.
Zena earned $12. She spent $8.
Adjusting the Activity
11
_
_
3 yd 2 ft =
ft
What fraction of her
8
2
a.
a.
, or
12
3
earnings did she spend?
19
6 yd 1 ft =
ft
b.
Have students use the following:
_
_
What fraction did
b.
4
1
72
, or
in. = 2 yd
12
3
c.
she have left?
17
Polygon Deck A to practice counting unit squares and sides of squares
ft = 5 yd 2 ft
d.
The amount she spent is how
c.
many times as much as the
8
1
to find the area and perimeter of rectangles.
25 ft =
yd
ft
e.
amount she saved?
2
6
2 times
in. = 30 in.
44
129
ft
f.
Polygon Deck B to practice using formulas to find the area and perimeter
Find the area and perimeter of the
What temperature is it?
5.
6.
of rectangles, triangles, and parallelograms.
− 10
rectangle. Include the correct units.
°F
7"
Polygon Deck C to practice using combinations of formulas to find the area
10
°F
4"
and perimeter of irregular shapes.
0
2
28 in
Area =
–10
A U D I T O R Y
K I N E S T H E T I C
T A C T I L E
V I S U A L
22 in.
Perimeter =
–20
131 133
139
Math Journal 2, p. 254
248-273_EMCS_S_MJ2_G4_U09_576426.indd 254
2/1/11 1:49 PM
Lesson 9 2
731
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