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Big Ideas Math: Modeling Real Life, Grade 6

BI

Big Ideas Math: Modeling Real Life, Grade 6 View details

7. Volumes of Rectangular Prisms

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Exercise 11 Page 329

Remember the formula for the volume of a cube.

8125ft^3

Practice makes perfect

We will calculate the volume of the cube. Let's see the given measurements on the cube.

The volume of a cube with side length s can be calculated using the following formula. V=s^3 We are given that s= 25. Let's substitute this value into the formula for the volume of a cube!

V=s^3

s= 2/5

V=( 2/5)^3

a^3=a* a* a

V=2/5* 2/5 * 2/5

Multiply fractions

V=2* 2 * 2/5* 5 * 5

Multiply

V=8/125

The volume of the cube is 8125 of a cubic foot.

Subchapter links

Try It p.326-327

Self-Assessment for Concepts & Skills p.327

Self-Assessment for Problem Solving p.328

Review & Refresh p.329