My Mother in Law told me of a rounding rhyme that I could use with my demo lesson and I was wondering if anyone else had any memory rhymes that go along with rounding numbers that I could use to help them remember the concept! Thanks!

Find your place
Look next door
Five or greater,
add 1 more
All digits in front stay the same,
All digits behind, zero's your name!

This works great when rounding to a particular place value. For example, if you are rounding 234 to the nearest ten, they underline the tens (3), draw an arrow to the 4, (it's not 5 or greater so they keep it), keep the 2 , you already have the three and the 4 becomes a 0. I have them do this as they say the rhyme!

Here's one:
Find that place value, circle that digit
Number to the right, underline, get it
Four and under, circle stays the same
Five and up, add one is the game
So flex your muscles like a hero
Digits to the right turn to zero
All other digits stay the same
Wow! You're a winner in the rounding game!

1, 2, 3, 4
Round down to the ten before
5, 6, 7, 8, 9
Round UP to the next ten on the numberline

We add actions (e.g holding fingers up for 1, 2, 3, 4, then punching down towards the floor; Wiggle a hand for five, and keep raising it higher as you count through 6, 7, 8, 9)

OMG WE LOVE THIS SO MUCH! we are in math class right now, we are seventh graders singing this haha we love it. "circle the place look next door, five or greater add one more fewer then five the number will stay.... thats the rounding way, what goes where the .... is?!