"Rhyme Time" - this video is talking about how words rhyme.
"The Number Rock" - this video outlines the different numbers in a catchy theme that children can remember.
"Numbers in the Teens" - this video talks about the makeup of numbers in the teens, they all have a 1 in them.
"The Water Cycle" - this video stars the awesome science character, Bill Nye. This explanation of the water cycle is simple but is very clear.
"Ten in the Bed" - this teaches simple subtraction, taking one from the bed until there aren't anymore in the bed.
I also found some more videos, all varying in content.
Conjunction Junction - this is "Conjunction Junction", which teaches about how to use conjunctions and what they are.
Intro To Fractions - this video is, as the title says, is a simple introduction to fractions.
Down on the Farm - Fractions - this one is also about fractions, but is a very catchy song and uses farm animals to explain fractions.
The Money Song - this video uses a song to explain money, and how they all add up.
The Rock Cycle - this is an educational video about the rock cycle.
Subtracting 2 Digit numbers - This is a simple intro to subtracting 2 digit numbers.
Adding 2 Digit Numbers - Like the video above, this video is about 2 digit number, but only it is adding them instead of subtracting them,
How Rainbows are Made - this is a cute video about how rainbows are formed.
Bill Nye - Outer Space - this is appealing to kids because it is Bill Nye, and here he is explaining a bit about Outer Space.
Vowel Sounds - this video is about the sounds that vowels make, specifically the long ans short sounds and the difference between them.
What's the Time? - this is a video explaining the concepts behind time and a brief introduction into telling time.
The Ants Go Marching In - this video is an introduction to counting, using a commonly known song.
Flying Over Earth - this is a cool video about what it would look like to fly above the earth.
Weather Song - this is a video introducing the weather with a song.
12 Months! - this is a nice introduction into the 12 months in the year.
I love being able to use videos in the classroom! They are something that students will be able to pay attention to fairly easily, and they are learning things without realizing how much they are truly learning! What awesome times we are in!