Unit 4 Lesson 14

Unit 4 Lesson 14

January 15, 2021

Multiple Choice

Priya ran 1  1/2 miles today, and Tyler ran 3  3/4 miles. How many times the length of Priya’s run was Tyler’s run?

Multiple Select

Select all equations that represent this question:

Diego has run 2/3 of a race’s distance. He has run 8  1/2  kilometers. How long is the
whole race?

• 8  1/2  $\div$  2 /3 =?

• 2/3  $\div$  8  1/2 = ?

• 2/3  $\cdot$  ? = 8  1/2

• 8  1/2  $\cdot$  ? = 2 /3

• 8  1/2  $\cdot\$  3/2 =?

Today's Goal

• I can explain how to find the volume of a rectangular prism using cubes that have a unit fraction as their edge length.

• I can use division and multiplication to solve problems involving areas of triangles with fractional bases and heights.

• I know how to find the volume of a rectangular prism even when the edge lengths are not whole numbers

Fill in the Blank

What is the formula for finding area of a triangle?

Find the area of Triangle A in square centimeters. Show your reasoning.

Multiple Choice

Which statement shows correct reasoning for finding 12 x 3/8? 

• Multiply 12 by 8, then divide by 3.

• Multiply 12 by 3, then divide by 8.

• Multiply 3 by 8, then divide by 12.

Open Ended

What is the formula for finding volume of a cube?