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How do we decide if a situation requires us to measure in square units or cubic units?

How do we decide if a situation requires us to measure in square units or cubic units?. 1 cm. 1 cm. 1 cm. 1 cm. 1 cm. In this lesson you will learn to determine whether to find area, surface area, or volume in a given situation by thinking about what units are needed.

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How do we decide if a situation requires us to measure in square units or cubic units?

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  1. How do we decide if a situation requires us to measure in square units or cubic units? 1 cm. 1 cm. 1 cm. 1 cm. 1 cm.

  2. In this lesson you will learn to determine whether to find area, surface area, or volume in a given situation by thinking about what units are needed.

  3. AREA is the amount of square units that fit inside a 2D figure.

  4. SURFACE AREA is the sum of the areas of the faces on a 3D solid.

  5. VOLUME is the number of cubic units needed to fill the space inside a 3D figure.

  6. Here are some situations that require you to find area. Which is larger - California or Michigan? How big is one sheet of loose leaf paper? How many square inches is this pentagon? I find area when I need to measure a 2D object using square units.

  7. Here are some situations that require you to find surfacearea. How many square feet of fabric were needed to create this tent? Which gift requires more wrapping paper? How much cardboard was used to make this box? I find surface area when I need to measure the outside of a 3D object using square units.

  8. Here are some situations that require you to find volume. How much soda will fit into this two-liter bottle? Which container will hold more popcorn? I find volume when I must measure the inside of a 3D object using cubic units. How much orange juice will this carton hold? How many cups of cereal will fit into this box?

  9. In this lesson you have learned to determine whether to find area, surface area, or volume in a given situation by thinking about what units are needed.

  10. Debbie is renovating her house. Decide if each situation requires her to measure area, surface area, or volume. She wants to paint all of the bedroom walls. How much paint is needed? She needs to know how much water will be needed to fill up her new swimming pool. She needs to buy a new door at the hardware store. What size door should she purchase? VOLUME SURFACE AREA AREA

  11. Think of a situation where you would need to find the area, surface area, and volume of this swimming pool.

  12. In this lesson, you learned various situations where you would need to find area, surface area, and volume. Spend the next five minutes brainstorming as many situations as you can of additional situations where you would need to find area, surface area, and volume. Be creative.

  13. Celia wants to know if the 25 square inches of wrapping paper she has will be enough to cover her mom’s birthday gift. Does she need to find area, surface area, or volume? Darius wants to know which bottle will hold more lemonade. Does he need to find area, surface area, or volume?

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