Topic lessons are listed after each item on the Practice Tests. Review as necessary. Test tomorrow!
Answers to Practice Tests and Reteaching exercises are listed below.
If you would like to listen to Skylark again, or to hear the end of the chapter, here is the mp3:
Practice Test 9 Answers
1. A 2. C 3. B 4. D 5. D 6. D 7. B 8. A 9. C 10. B 11. B 12. C
Topic 10 Practice Test Answers:
1. A 2. D 3. B 4. C 5. D 6. B 7. B 8. D 9. C 10. A 11. A
Topic 11 Practice Test Answers
1. B 2. A 3. D 4. D 5. C 6. B 7. C 8. B 9. D 10. A 11. C 12. A
Topic 12 Practice
Test Answers
1. C 2. C 3. D 4.
A 5. C 6. B 7. D 8. A 9.
B 10. B 11. D 12. C 13. A 14.
D
Topic 9 Extra
Practice Answer Key
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Set A
1. a
2. c
3. b
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Set B
1. Line
2. Right angle
3. Perpendcular Lines
4. Ray
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Set C
1. 93°
2. 128°
3. 27°
4. 180°
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Set D
1. 8; 8
2. 4; 4
3. 3; 3
4. 4; 4
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SET E
1. Isosceles; obtuse
2. Trapezoid
3. Rhombus
4. Scalene; right
5. 12 R2
6. 28 R1
7. 23 R2
8. 15 R2
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SET F
Example: The numbers in the first group are made up
of line segments. The numbers in the second group are made up of curved
lines.
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Topic 10 Extra Practice Answer Key
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Set A
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Set B
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Set C
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Set D
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Set E
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1.
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4/12
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1.
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1/5 hour
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1.
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1/5
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1.
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4
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1.
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½
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2.
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6/8
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2.
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½ sandwich
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2.
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½
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2.
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324
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2.
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1/5
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3.
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1/5
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3.
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¾ cup hot chocolate
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3.
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1
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3.
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2/3
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4.
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2/4
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4.
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22
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4.
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5/6
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5.
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eg. 2/3, 16/24
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5.
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¾
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6.
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eg. ¾, 60/80
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6.
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2/3
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7.
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eg. 1/9, 16/144
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7.
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2/5
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8.
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eg. 7/11, 28/44
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8.
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2/3
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9.
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½
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10.
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7/8
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Set F
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Set G
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Set H
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Set J
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1.
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12/5
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1.
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>
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8.
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=
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1.
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5/12, ½, 2/3
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1.
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Nadia is correct. ¾ of one object can be different
to 6/8 of another object of a different size.
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2.
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2 ¼
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2.
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>
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9.
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>
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2.
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3/8, ¾, 7/8
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3.
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=
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10.
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<
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3.
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1/6, 1/3, 3/6
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4.
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>
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11.
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=
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4.
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2/5, 5/6, 11/12
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5.
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>
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12.
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<
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5.
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½, 5/8, 6/8
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6.
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>
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13.
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>
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6.
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3/10, 2/5, 6/10
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2.
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Yes, becasuse you can multiply the numerator and
denominator by the same whole number (any number) to get an equivalent
fraction.
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7.
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>
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14.
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<
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7.
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5/6, 2/3, 1/3
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8.
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1/1, 7/8, ¾
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9.
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7/10, 1/3, 3/12
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10.
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3/8, 2/6, ¼
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11.
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2/4, 1/3, 2/8
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12.
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5/6, 4/5, 9/12
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Topic 11 Extra
Practice Answer Key
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Set A
1. 3/7
2. 2/5
3. ¾
4. 3/10
5. ½
6. 1/3
7. 1
8. 2/13
9. 1/3
10. 5/6
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Set B
1. 11/12
2. 14/15
3. 4/9
4. 5/12
5. 7/8
6. 7/9
7. 1
8. ¾
9. ½
10. 7/12
11. 7/12
12. 5/6
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Set C
1. 3/8
2. ¼
3. 1/6
4. 1/5
5. 3/10
6. 2/3
7. ¾
8. 4/9
9. 1/5
10. 1/6
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Set D
1.
¼ - 1/8 = 1/8 mile
farther
2. 9/12 – 2/3 = 1/12 foot taller
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Topic 12 Extra
Practice Answer Key
Set A
1. twelve
and thirteen hundredths; 10+2+0.1+0.03
2. one
and nine hundredths; 1+0.09
3. eleven
and one tenth; 10+1+0.1
4. eighty-eight
and eight hundredths; 80+8+0.08
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Set B
1.
<
2.
=
3.
22,981; 21,046; 14,762
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Set C
1.
0.3; 3/10
2.
0.6; 3/5
3.
0.21; 21/100
4.
0.35; 7/20
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Set D
1.
3 4/6
2.
3 1/6
3.
3 5/6
4.
5.47
5.
5.55
6.
5.68
7.
N
8.
L
9.
J
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Set E
0.6 should be marked at twice the distance
from 0 as 0.3
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