Using Code Words/mixed Operations Worksheets With Answer Key Page 15
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16cont.)
Answer Key
3. no
4. C = d
6. 900 cubic puzzles
8. 3:4 or 3/4
56)
52
4. 5 m.p.h.
C = 3.14 x 2
7. 192 cubic
9. 2:3 or 2/3
52
5. 20 m.p.h.
6.28 centimeters
magnifying glasses
10. 3:2 or 3/2
2. (47, 49, 55, 56, 57,
6. the scale doesn’t
5. C = d
8. 1,000 cm
blocks
3
11. 7:5 or 7/5
58, 59, 59, 59, 60,
go 0 to 70
C = 3.14 x 2.6
9. 120 games
12. 5:7 or 5/7
60, 61, 63)
7. start at 0/use a
8.164 centimeters
10. 1,728 cubic puzzles
13. 3:7 or 3/7
59
different scale
6. C = 2 r
Page 33
14. 7:3 or 7/3
59
8. 1995
C = 2 x 3.14 x 12
1. library
15. 12:2 or 12/2 or 6:1
3. (57, 59, 59, 60, 61,
9. 1998
75.36 inches
2. town hall
61, 63, 63, 65, 66)
or 6/1
10. 10 thousand dollars
7. C = 2 r
3. gas station
59, 61, 63
16. 2:12 or 2/12 or 1:6
11. the scale is
C = 2 x 3.14 x 2
61
4. (-11, 1)
or 1/6
distorted, starts
12.56 inches
4. (47, 49, 49, 49, 51,
5. (4, -4)
17. 3:7 or 3/7
at 40
8. C = 2 r
52, 53, 54, 55, 57,
6. (-5, -9)
18. 7:3 or 7/3
12. 25 thousand
C = 2 x 3.14 x 3
59)
7. park
dollars
18.84 centimeters
49
Page 37
8. (-10, -7)
13. scale starts at 40
52
Page 30
1. 1:4 :: 20:n
9. (-9, 5)
thousand dollars
5. (39, 40, 44, 44, 45,
1. A = r
2
n = 80 feet
10. general store
14. starts at 0 and go
48, 50, 55, 57, 57,
A = 3 x 3 x 3.14
2. 1:2 :: 25:n
11. drug store
to 70
58, 60, 60, 61)
28.26 cm
2
n = 50 feet
12. III
44, 57, 60
Page 27
2. A = r
2
3. 3:15 :: 9:n
13. I
52.5
A = 3.14 x 8 x 8
n = 45 m
1. 920 feet
14. II
48,000 feet
2
200.96 inches
2
4. 4:1 :: 100:n
Page 40
Page 34
2. 288 feet
3. A = r
n = 25 stories
2
1. C
6. C
1. 3/10
6. 3/40
4,700 feet
2
A = 3.14 x 6 x 6
5. 3:10 :: 33:n
2. D
7. B
2. 4/15
7. 2/3
3. 360 feet
113.04 cm
2
n = 110 yd.
3. B
8. D
3. 9/50
8. 8/45
8,100 feet
2
4. A = r
2
6. 3:10 :: 15:n
4. A
9. B
4. 11/16
9. 2/5
4. 600 feet
A = 3.14 x 7 x 7
n = 50 m
5. A
10. D
5. 1/2
10. 1/27
20,000 feet
2
153.86
7. 5:3 :: n:30
Page 41
5. 320 yd.
millimeters
2
n = 50 inches
Page 35
6,000 yd.
2
1. B
6. A
5. A = r
2
8. 7:2 :: 42:n or
1. n = 35 – 12
6. 260 feet
2. D
7. C
A = 3.14 x 9 x 9
2:7 :: n:42
n = 23
4,225 feet
2
3. C
8. A
254.34
n = 12 inches
2. 23 + n = 41
7. 346 m
4. A
9. B
millimeters
2
n = 18
7,300 m
2
Page 38
5. D
10. C
6. A = r
2
3. n – 29 = 61
8. 350 yd.
1. 528
A = 3.14 x 2 x 2
Page 42
n = 90
7,150 yd.
2
9
12.56 feet
2
4. 36 + n = 53
1. A
6. B
59 (58.67)
Page 28
7. A = r
2
n = 17
2. B
7. D
2. 911
1. 240 feet
2
A = 3.14 x 4 x 4
5. 19 + n = 43
3. C
8. C
11
2. 450 feet
.
2
50.24 feet
2
n = 24
4. B
9. A
83 (82.8)
3. 1,035 feet
2
8. A = r
2
6. n/4 = 12
5. D
10. D
3. 1,160
4. 240 feet
2
A = 3.14 x 4.5 x
n = 48
13
Page 43
5. 4,171 feet
2
4.5
7. n x 12 = 96
89 (89.2)
1. C
6. B
6. 1,155 feet
2
63.585 cm
2
n = 8
4. 138
2. C
7. A
7. 672 feet
2
9. A = r
2
8. n/8 = 11
10
3. B
8. D
8. 87.5 feet
2
A = 3.14 x 3.5 x
n = 88
14 (13.8)
4. D
9. B
9. 99.6 feet
2
3.5
9. n x 19 = 190
5. 63
5. D
10. C
10. 484 feet
2
38.465 cm
2
n = 10
12
10. A = r
2
10. 42/n = 6
Page 44
Page 29
5 (5.25)
A = 3.14 x 1.15 x
n = 7
1. C
6. A
1. C = d
6. 175
1.15
2. C
7. C
C = 3.14 x 9
13
Page 36
4.15265 cm
2
3. A
8. B
28.26 centimeters
13 (13.46)
1. 5:4 or 5/4
4. B
9. D
Page 31
2. C = d
7. 109
2. 4:5 or 4/5
5. D
10. C
C = 3.14 x 23
1. 216 inches
3
16
3. 2:5 or 2/5
72.22 centimeters
2. 27 cm
3
7 (6.8)
4. 5:2 or 5/2
Page 45
3. C = 2 r
3. 729 inches
3
5. 3:5 or 3/5
1. C
6. C
Page 39
C = 2 x 3.14 x 2
4. 8 inches
3
6. 5:3 or 5/3
2. A
7. A
1. (46, 47, 48, 49, 50,
12.56 centimeters
5. 125 inches
3
7. 4:3 or 4/3
3. B
8. B
52, 52, 52, 53, 54,
48
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