Calculate the volume of the cuboid
If its length is equal to 7 cm:
Its width is equal to 3 cm:
Its height is equal to 5 cm:
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Calculate the volume of the cuboid
If its length is equal to 7 cm:
Its width is equal to 3 cm:
Its height is equal to 5 cm:
The formula to calculate the volume of a cuboid is:
height*length*width
We replace the data in the formula:
3*5*7
7*5 = 35
35*3 = 105
105 cm³
Look at the cuboid below:
What is the volume of the cuboid?
Volume measures space inside the cuboid! Think of it like stacking unit cubes: you need 7 rows of 3 columns of 5 layers. Adding would just give you the total distance around edges.
No! You can multiply length × width × height in any order you want. Whether you do 7 × 3 × 5 or 5 × 7 × 3, you'll always get 105 cm³.
Because we're measuring three-dimensional space! When you multiply cm × cm × cm, you get cm³. Volume always uses cubic units like cm³, m³, or ft³.
You'll get the wrong answer! For example, 7 × 3 = 21 cm² is just the area of one face. You must use all three dimensions: length, width, AND height.
Think "L × W × H" or imagine filling the box with tiny cubes. You need to count cubes in all three directions: how many across, how many deep, how many tall.
Area uses 2 dimensions (like length × width = cm²) for flat surfaces. Volume uses 3 dimensions (length × width × height = cm³) for solid objects that take up space.
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