This is a fabulous step-by-step visual for students to follow when rounding numbers.
Rounding Numbers, rounding coaster; I saw a fab teacher at BCE demonstrating this concept!
I also have my students underline the place value being rounded, but I also make them box the number that tells them if the number rounds up or stays the same. 5 or more, raise the score. 4 or less, let it rest.
Rounding anchor chart
Tricks are NOT for Kids
Tricks are NOT for Kids (Blog Post) Why I threw away the "rounding mountain" anchor charts, rhymes and tricks. A transformation happened in my classroom when I did.