The Buncha Roots Latin Page has a section that explains how to teach Latin roots throughout the year. It also includes a comprehensive selection of roots that you can use to make vocabulary cards.
There is a Greek root section also. (Scroll down to the bottom.)
http://abasiccurriculum.com/homeschool/roots/roma/

The Classical Christian Education Loop has many links to help with your Latin studies.
http://www.classical-homeschooling.org/celoop/latinlinks.html

This is sung to "Ode to Joy." Make the ending sound, do not spell them.)

1st declension noun endings, these are singular, 

a, ae, ae, am, a,

1st declension noun endings, these are plural,

a, arum, is, as, is,

These are nouns for first declension, mostly feminine, few masculine.

2nd declension noun endings, these are singular,

us, i, o, um, o,

2nd declension noun endings, these are plural,

i, orum, is, os, is,

These are endings for second declension, mostly masculine, few feminine.

Sung to "THe Mickey Mouse Song"

What are the names of the endings that we love so much?
			-o	-mus
			-s	-tis
			-t	-nt
Latin endings, they're not Greek. Forever let us hold our endings high, high, high Come along and sing a song and join our family.
			-o	-mus
			-s	-tis
			-t	-nt
Hey there, hi there, ho there, We're happy as can be.
			-o	-mus
			-s	-tis
			-t	-nt