Fun stuff to do at home:
Reading Activities: 
Read a story every night!
Answer questions your parents ask on each page about who, what, where, when, and why.
Tell your parents what is happening on each page.
Look at car tags as you ride. Tell what letters and numbers you see. Figure out what state the car is from.
Handwriting Activities:

Spread shaving cream or pudding on the table and draw and write with your finger;
Form play-doh letters, numerals;
Write on the sidewalk with chalk;
Trace letters/ numerals;
Copy letters/numerals;
Match letters/ numerals;
Put the letters of your name in the correct order
Practice drawing what you see. Did you include all the parts?
Math Activities:

Set the table. Count the people in your family. Put one fork for each person, one plate for each person, and so on. Count as you go!
Count cows or red cars or anything you can think of as you travel.
Count items on your plate at dinnertime.
Count backwards from ten to one.
Count the number of steps in your house, how many rooms you have in your house, and so forth. Write down the numbers.
Help your parents figure out the price of things when you go grocery shopping with them.