COMMAS
QUOTATION MARKS
SPELLING
HOMOPHONES
APOSTROPHES
100
Michelle plays soccer, tennis volleyball, basketball, and golf.

Insert comma after tennis

Michelle plays soccer, tennis, volleyball, basketball, and golf. 
100
"I really want to go to the sleepover tonight" Stephanie begged her mom.

Insert a comma before Stephanie

"I really want to go to the sleepover tonight", Stephanie begged her mom.

100
Please put the knifes in the drawer.

Change knifes to knives

Please put the knives in the drawer.

100
I would really like to have too of those.

Change too to two

I would really like to have too of those.

100
Noah like's to ride his skateboard to school when it's warm outside.

Change like's to likes

Noah like's to ride his skateboard to school when it's warm outside.

200
On June 9 2011, my nephew was born at the hospital in San Francisco.

Insert a comma after 9

On June 9, 2011, my nephew was born at the hospital in San Francisco.

200
Megan said "They got their new kitten some toys and a little bed for her to sleep in."

Insert a comma after said

Megan said, "They got their new kitten some toys and a little bed for her to sleep in."

200
I was really hopeing you would let me play on your iPad for a little while.

Change hopeing to hoping

I was really hoping you would let me play on your iPad for a little while.

200
Your friends seem much happier when your nice to them.

Change your to you're

Your friends seem much happier when your nice to them.

200
The boys said they didnt want pizza because they ate it for lunch at school.

Change didnt to didn't

The boys said they didnt want pizza because they ate it for lunch at school.

300
I always choose chocolate, or strawberry when I visit the ice cream shop.

Delete the comma after chocolate

I always choose chocolate or strawberry when I visit the ice cream shop.

300
"When are you going to restock the paper towels," she asked.

Change the comma to a question mark

"When are you going to restock the paper towels?" she asked.

300
When you go snowboarding, you have to be very carefull so that you don't break a leg.

Change carefull to careful

When you go snowboarding, you have to be very careful so that you don't break a leg.

300
As tadpoles grow and get older, there tails disappear.

Change there to their

As tadpoles grow and get older, there tails disappear.

300
After a long day's work, I like to relax by taking out my book and reading at least two chapters.

Change day's to days

After a long day's work, I like to relax by taking out my book and reading at least two chapters.

400
I tried to tell her that her backpack was unzipped but she ran out the door too quickly.

Insert a comma after unzipped

I tried to tell her that her backpack was unzipped, but she ran out the door too quickly.

400
Monica wondered, "How can something so small smell so badly."

Change the comma to a question mark

Monica wondered, "How can something so small smell so badly?"

400
If you spill the milk, you might find yourself sliping and sliding all over the kitchen floor.

Change sliping to slipping

If you spill the milk, you might find yourself slipping and sliding all over the kitchen floor.

400
I saw some new shoes that I like, but they're to heavy for running.

Change to to too

I saw some new shoes that I like, but they're to heavy for running.

400
I lost the back's to my earrings when I was getting ready for the party.

Change back's to backs

I lost the back's to my earrings when I was getting ready for the party.

500

Eric was planning to work on his project when he got home from school, but he realized he left his supplies in class.

Make no change

Eric was planning to work on his project when he got home from school, but he realized he left his supplies in class.

500
"Well," she began "I'm not sure if you are responsible enough yet for a phone."

Insert a comma after began

"Well," she began, "I'm not sure if you are responsible enough yet for a phone."

500
That has to be the lazyest animal that I've ever seen!

Change lazyest to laziest

That has to be the laziest animal that I've ever seen!

500
The flowers were beginning to wilt, and it's leaves fell off to help it stay alive.

Change it's to its

The flowers were beginning to wilt, and it's leaves fell off to help it stay alive.

500
Since I wasn't going to be at school, I decided to put notes on all the student's desks.

Change student's to students'

Since I wasn't going to be at school, I decided to put notes on all the student's desks.