IXL | Choose the topic sentence that best captures the main idea

Review the details below.

Used sponges and rags should be replaced regularly to avoid spreading harmful bacteria.
Frequently hand washing with warm water and soap is the best way to get rid of germs and prevent illnesses.
Moderate exercise boosts the immune system and can reduce the risk of colds by a third.

Choose the best topic sentence to introduce a paragraph containing these details.

Simple steps can reduce the likelihood of spreading or catching an infectious illness.

The best way to prevent illnesses is to maintain a healthy immune system.

It is possible to reduce the risk of colds and flus by washing your hands and working out several times a week.

ref_doc_title.

Learn with an example

question

Review the details below.

Add a two- or three-inch layer of decayed leaves and manure to improve the quality of the soil.
Choose vegetables that are suited to the climate, consult the seed packet for planting instructions, and water seedlings daily.
Plant vegetables in a spot that receives at least six hours of sunlight every day.

Choose the best topic sentence to introduce a paragraph containing these details.

Most soil is not nourishing enough to support seedlings, but there are ways to improve it.

Plan your vegetable garden so that plants will receive adequate sunlight and water.

To create a thriving vegetable garden, try to ensure optimal conditions for your plants.

key idea

A topic sentence states the main, or central, idea of a paragraph. The rest of the paragraph provides evidence and analysis to help support or prove this idea.

When writing, be sure to craft a topic sentence that accurately synthesizes what the paragraph is about. It should not be too broad, too narrow, or off topic.

solution

First decide what the details have in common. In this case, they are all guidelines for providing plants with the proper growing conditions.

The topic sentence that best introduces these details is To create a thriving vegetable garden, try to ensure optimal conditions for your plants. It accurately reflects the paragraph's focus, and it is supported by each of the details.

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Questions
answeredQuestions

Time
elapsedTime

hr	min	sec
00	00	06

SmartScore
out of 100
IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

Teacher tools

Work it out

Not feeling ready yet? These can help:

J.2Organize information by topic

N.New!Choose the topic sentence that best captures the main idea

Excellent! You got that right!

Jumping to level 1 of 1

Excellent!