This rounding poem provides rules for rounding numbers to the nearest ten. If the digits in the ones place are from 0 to 4, the tens place value remains the same. If the ones place digits are from 5 to 9, the tens place value increases by 1.

1. Rounding Poem
 Look to the place, mark the
space
 Go to the right, start the fight
 0 to 4, don’t change the
score
 5 to 9, increase the line