C. Directions: Read the statement below. On your answer sheet, write T if the sentence is
correct and F, if it is incorrect.
_____11. The volume of a cube with 9-m side is 27 cu. m.
_____12. The volume of a cube can be found by multiplying the length of its edge by 3.
_____13. The volume of rectangular solid with dimensions 3 m × 4 m × 7 m is 84 m3
_____14. A prism, with dimensions 15 cm × 8 cm ×10 cm, has a volume of 400 cm3
_____15. Volume is the number of cubic units needed to fill a shape.
correct and F, if it is incorrect.
_____11. The volume of a cube with 9-m side is 27 cu. m.
_____12. The volume of a cube can be found by multiplying the length of its edge by 3.
_____13. The volume of rectangular solid with dimensions 3 m × 4 m × 7 m is 84 m3
_____14. A prism, with dimensions 15 cm × 8 cm ×10 cm, has a volume of 400 cm3
_____15. Volume is the number of cubic units needed to fill a shape.
Answers & Comments
1. False
Explanation: The answer must be 729 since you will multiply 3x the sides.
2. True
Explanation: You can also use the formula which is V = L × W × H.
3. True
Explanation: You just need to multiply the sides/dimensions.
4. False
Explanation: The answer must be 1,200, multiply the length, width, and height.
5. True
Explanation: To know how many cubic units you can fill in one container use the formula for finding their volumes.
＿＿＿＿＿＿＿＿＿＿＿
Here are the formula's:
Volume of rectangular prism: V = L × W × H
Volume of cube: V = s × s × s
Volume of pyramid: V = L × W × H ÷ 3
Volume of cone: V = π × r × r × h ÷ 3
Volume of cylinder: V = π × r × r × h
Volume of sphere: V = 4/3πr³ or V = 4 × π × r × r × r ÷ 3