7 th Grade
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Transcript of 7 th Grade
![Page 1: 7 th Grade](https://reader034.fdocuments.in/reader034/viewer/2022052703/56813043550346895d95e48d/html5/thumbnails/1.jpg)
7th Grade
TAKS Short CourseObjective 4
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7.9(A) The student is expected to estimate measurements and solve application problems involving length (including perimeter and circumference), and area of polygons and other shapes.
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1. Kira drew a circle with a radius of 20 inches and another circle with a radius of 10 inches. What is the approximate difference between the areas of the 2 circles?
A) 300 in. 2 B) 314 in. 2
C) 942 in. 2 D) 1,256 in. 2
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C) 942 in. 2
2
2
2
942
942314256,131410
256,120
in
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2. Margarita traces a circle with a radius of 20 centimeters like the one shown below. She will color in the shaded region.
What is the approximate area of the shaded region?
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2
2
314
3144
1256125620
cm
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3. Cassie draws the following 4 figures.
Which 2 figures have the same area?
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Figure 1 and 3
5.785)4
6010257)3
5.6021255.1210)2
60106)1
2
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4. Mrs. Hartrick’s flower bed, as shown in the shaded part of the grid below.Each square on the grid represents 5 square feet.
What will be the approximate area of the flower bed?
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280516 feet
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5. Ms. Wagner painted the outside of the patio door to her house, as shown below. She did not paint the window or the doorknob.
What is the painted area of the door to the nearest square feet?
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feetinches
doorknobwindow
5.65.175.1028
63210252874
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6. Yoko made a circular coaster in pottery class. Use the ruler on the Mathematics Chart to measure the radius of the coaster in centimeters. What is the area of the top of the coaster to the nearest square centimeter?
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22 385.3213
cm
radius
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7. Mrs. Jones wants to paint a wall but not the door on the wall.
How many square feet of wall does Mrs. Jones need to paint?
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212921150
21371501510
feet
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8. Marilou needs to cut a piece of glass for her table. The table is in the shape of a regular hexagon. The glass should measure 1 feet on each side. What is the perimeter of the piece of glass?
A) 12 ft B) 9 ftC) 18 ft D) 7.5 ft
12
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211
feet965.1
6211
B) 9 ft
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9. Brenda wants to attach a string of beads along the circular bottom edge of the lampshade shown below. The diameter of the bottom of the lampshade is 16 centimeters
About how many centimeters long should Brenda make the string of beads?A) 25 cm B) 50 cmC) 79 cm D) 201 cm
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cmccdc
24.5016
B) 50 cm
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10. A pest-control company was hired to spray the lawn represented by the shaded region shown below.
What was the area in square feet that was sprayed?A) 19,280 ft 2B) 20,000 ft 2
C) 37,680 ft 2D) 17,680 ft 2
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2680,17720400,18
400,18600,1000,20600,140407202430
000,20100200
ft
D) 17,680 ft 2
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11. Janeska ran in 3 races. The distances she ran in the races were 5 kilometers, 4.25 kilometers, and 5.5 kilometers. How many meters did Janeska run in the 3 races altogether?
A) 1,475 m B) 14,750 mC) 48,500 m D) 15,000 m
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mBmeterskilometers
750,14)750,14000,175.1475.146.525.45
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7.9(B) The student is expected to connect models for volume of prisms (triangular and rectangular) and cylinders to formulas of prisms (triangular and rectangular) and cylinders.
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12. A jewelry box is shown below. Use the ruler on the Mathematics Chart to measure the dimensions of the jewelry box in centimeters. Find the volume of the jewelry box?
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19cm3
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13. Mr. McCrea is building a toy box like the one shown below.
What is the volume of the toy box in cubic feet?
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340452 ft4 0
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7.9(C) The student is expected to estimate measurements and solve application problems involving volume of prisms (rectangular and triangular) and cylinders.
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14. Mr. Williams built a wooden storage box.
The storage box was 3.5 feet high by 2 feet wide by 2 feet long. What is the volume of the storage box in cubic feet?
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3145.322 ft
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15. For storage Mrs. Lin uses cylindrical containers like the one shown below.
If Mrs. Lin uses 2 of these containers, which is closest to the total volume of both containers?A) 13 cubic feet B) 6 cubic feetC) 8 cubic feet D) 16 cubic feet
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3
2
2
56.12
)28.6(2)214.31(2
)(2
)(2
ft
hr
Bh
A) 13 cubic feet