Use Xtramath.org. This site takes much of the pressure off you and when you're ready, you can go in and monitor progress. The progress monitoring is really quite interesting.
What can you can do right now?
Help your child to learn to log on to Chrome quickly. I sent home login sheets for everyone, but I can certainly send it again.
Read to them, read with them, and talk about what they're reading.
Be impressed when your child attempts at using new vocabulary. The fact that they're even attempting to broaden their knowledge is more than what I can say for most adults.
Discuss the truth bomb and idiom each week and see where it falls within your own lives.
Last but not least, I would appreciate some help on the handwriting front. We will discuss this at conferences, but I can say right now that many of the kids need to slow down and do their best work. For many, the right answer may be there, but I can't decipher the script.