Polygon Practice. E90 Grade 5. Name
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1 Lesson 11.1 Polygon Practice Write the number of sides and the number of angles that each polygon has. Then match each description to one of the polygons drawn below. Label the polygon with the exercise number of the description that matches the polygon. 1. regular decagon 2. decagon that is not regular 3. regular hexagon 4. hexagon that is not regular 5. regular octagon 6. octagon that is not regular 7. regular pentagon 8. pentagon that is not regular 9. regular quadrilateral 10. quadrilateral that is not regular 11. regular triangle 12. triangle that is not regular E90 Grade 5
2 Lesson 11.2 A Triangular Challenge Classify each triangle as isosceles, scalene, or equilateral and as acute, right, or obtuse. The sum of the angle measures in a triangle is always 180º. You can use a protractor to help you draw the triangle in the space provided. Who Am I? Draw Me 1. I have two congruent sides. I also have two congruent angles that measure 45 each. I am a(n) triangle. 2. I have three congruent sides. I also have three congruent angles. I am a(n) triangle. 3. I have no congruent sides. One of my angles has a measure of 100. I am a(n) triangle. 4. Two of my angles measure 30 each. My two shorter sides are congruent. I am a(n) triangle. 5. My 3 angles have measures of 38, 52, and 90. My 3 sides are all different lengths. I am a triangle. E91 Grade 5
3 Lesson 11.3 A Quadrilateral Challenge The sum of the angle measures in a quadrilateral is always 360. You can use subtraction to find unknown angle measures. Each set of angle measures below represents three known angle measures in a quadrilateral. Write and solve an equation to find the unknown measure of the fourth angle. Known Angle Measures Unknown Angle Measure Add the given angle measures. Subtract the sum from E92 Grade 5
4 Lesson 11.4 In Fit Shape Complete the crossword puzzle by filling in the correct term for each clue ACROSS 6. A solid figure with faces that are polygons. 7. This solid figure has three pairs of parallel faces, and all faces are congruent. 8. A solid figure that has two congruent polygons as bases and lateral faces that are rectangles. 9. A solid figure without any bases and with only one curved surface. DOWN 1. A cube has six congruent faces that are all. 2. Polygons that have the same shape and size are. 3. A solid figure with one circular base and one curved surface. 4. A solid figure that has two circular bases and one curved surface. 5. A flat surface of a solid figure. E93 Grade 5
5 Lesson 11.5 Unit Cubes For each solid figure, write the fraction of unit cubes that are shaded. Write each fraction in simplest form. Unseen cubes in solid figures are not shaded Stretch Your Thinking In the fraction you wrote for Exercise 1, what does the denominator represent? E94 Grade 5
6 Lesson 11.6 Volume of Irregular Figures Use the unit given. Find the volume Each cube 5 1 cu cm Volume 5 Each cube 5 1 cu in. Volume Each cube 5 1 cu ft Volume 5 Each cube 5 1 cu yd Volume 5 5. Explain how you found the volume of the figure in Exercise 4. E95 Grade 5
7 Lesson 11.7 What Will Fit? A cubic centimeter is 1 cm long on each edge. A cubic decimeter is 10 cm long on each edge. A cubic meter is 1 m long on each edge. Estimate the smallest unit cube that will hold each object. Choose from a cubic centimeter, a cubic decimeter, and a cubic meter. 1. a grain of rice 2. an orange 3. a basketball 4. a pebble 5. a cell phone 6. a textbook 7. a key 8. a backpack 9. a paper clip 10. a raisin 11. an iron 12. a can of paint 13. a crayon 14. a staple 15. a stick of gum 16. Stretch Your Thinking How many cubic centimeters do you need to fill a cubic decimeter? How many cubic centimeters do you need to fill a cubic meter? E96 Grade 5
8 Lesson 11.8 Unknown Dimensions Find the unknown dimensions. Use whole numbers only. 1. A rectangular prism has a volume of 96 ft 3. The area of the base is 24 ft 2. What is the height of the prism? 2. A rectangular prism has a volume of 729 ft 3. The length, width, and height are all the same. What is the length of each side of the prism? 3. A rectangular prism has a volume of 175 in 3. The height of the prism is 7 in. The base is a square. What is the length of a side of the base? 4. A rectangular prism has a volume of 144 cm 3. The base is a square with a length of 4 cm. What is the height of the prism? 5. A rectangular prism has a volume of 189 cm 3. The height of the prism is 3 cm. What are the dimensions of the base? length 5 width 5 7. A rectangular prism has a volume of 384 cm 3. The width is twice the height, and the length is three times the height. What are the dimensions of the prism? length 5 width 5 height 5 6. A rectangular prism has a volume of 160 cm 3. The height of the prism is 5 cm. The length is twice the width. What are the dimensions of the base? length 5 width 5 8. A rectangular prism has a volume of 432 in 3. The height of the prism is 9 in. What are the dimensions of the base? length 5 width 5 9. Stretch Your Thinking For Exercise 8, what are other possible dimensions for the base? E97 Grade 5
9 Lesson 11.9 What Is the Volume? The dimensions of a rectangular prism are given. Find the volume of the prism. 1. length 5 2 feet, width 5 15 inches, height 5 8 inches 2. length 5 4 yards, width 5 7 feet, height 5 3 feet 3. length 5 9 centimeters, width 5 35 millimeters, height 5 7 centimeters 4. length 5 1 yard, width 5 2 feet, height 5 18 inches 5. length 5 1 meter, width 5 3 decimeters, height 5 8 centimeters 6. length 5 9 feet, width 5 2 yards, height 5 36 inches 7. Stretch Your Thinking What cubic unit did you use in your answer to Exercise 6? Express the volume in a different cubic unit. E98 Grade 5
10 Lesson The Gift of Volume Leah and Wayne are sending presents in the mail. Boxes A, B, and C are shipping boxes. Find the volume of each shipping box. Then solve each problem below. A. B. C. 15 in. 15 in. 15 in. 14 in. 6 in. 6 in. 16 in. 10 in. 9 in. Volume of A: Volume of B: Volume of C: in. 5 in. 3 in. 5 in. 3 in. 7 in. 4 in. 5 in. 3 in. How many of these boxes can fit into Box A? How many of these boxes can fit into Box B? How many of these boxes can fit into Box C? in. 2 in. 7 in. 2 in. 12 in. 8 in. 16 in. 3 in. 8 in. After Leah packs this present in Box A, what is the volume left to pack other presents? After Leah packs 10 of these presents in Box B, what is the volume left to pack other presents? After Wayne packs 3 of these presents in Box C, what is the volume left to pack other presents? E99 Grade 5
11 Lesson Finding Unknown Side Lengths The volume of each composite figure is given. Find the unknown side length. 1. Volume in Volume 5 2,400 ft 3 3 in. 9 in.? 15 in. 6 in.? 3. Volume ft 3 4. Volume cm 3 6 ft 20 cm? 6 cm 4 ft 8 ft 4 cm 18 ft 6 cm? 5. Explain how you found the unknown side length of the composite figure in Exercise 3. E100 Grade 5
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