# Section D: Practice Problems Divide Decimals

## Section Summary

## Details

In this section we learned to divide with decimals. We studied different ways to find a quotient like

We can also think about place value. We know 3 is 30 tenths and 0.1 is 1 tenth, so

## Problem 1 (Lesson 22)

Find the value of

. Use the diagram if it is helpful. Jada says that there are 100 hundredths in 1 so

is 100. Do you agree with Jada? Show or explain your reasoning.

## Problem 2 (Lesson 23)

Find the value of

. Use the diagram if it is helpful. Find the value of

.

## Problem 3 (Lesson 23)

Here is a diagram.

Explain or show how the diagram shows

. What is the value of the expression? Explain or show how the diagram shows

. What is the value of the expression?

## Problem 4 (Lesson 24)

Find the value of each expression. Explain or show your reasoning.

. Use the diagram if it is helpful.

## Problem 5 (Lesson 25)

Find the value of each expression. Explain or show your reasoning.

## Problem 6 (Exploration)

Noah has a scale that weighs to the nearest ounce. The table shows the weights of different numbers of paper clips in ounces.

paper clips | weight |
---|---|

How many ounces do you think each paper clip weighs? Explain or show your reasoning.

## Problem 7 (Exploration)

The daily recommended allowance of vitamin C for a 5th grader is 0.05 grams.

A vitamin C tablet has 1 gram of vitamin C. How many times the daily recommended allowance of vitamin C is one vitamin C tablet? Use the diagram if it is helpful.

A large orange has 0.18 grams of vitamin C. How many times the daily recommended allowance of vitamin C is in a large orange? Use the diagram if it is helpful.