count to 100 by tens, and then count back from 100! Most of us teachers focus on counting up and not the reverse- see more of Mr. R.'s free math and science resources at mathstory.com LYRICS- Count by Tens 10 - 20 - 30 40 - 50 60 - 70 - 80 90 - 100 That's how we count, How we count by tens... I found 10 dimes, They were mine, I found 10 times, It's cupcake time! I found 10 dimes, They were mine, I found 10 times, It's cupcake time! Let's count those dimes, Count those dimes by 10, 10 - 20 - 30 40 - 50 60 - 70 - 80 90 - 100 100 cents makes a dollar, Makes a dollar by tens... (FAST COUNTING!) I spent my dimes, One at a time, I spent my dimes, One at a time, I spent 10 dimes on cupcakes, You can see, Now those dimes, Weren't mine, My 10 dimes, They weren't mine, Let's count back from 100, Then we'll see... 100 - 90 - 80 70 - 60 50 - 40 - 30 20 - 10 That's how we count, How we count back by tens... 10 - 20 - 30 - 40 50 - 60 - 70 - 80 90 -100 That's how we count by tens 100 - 90 - 80 - 70 60- 50 - 40 - 30 20 - 10 That's how we count by tens!