grade 2 · WN-019

Ten or one hundred more or less

Use the relationship among ones, tens, and hundreds to change a number mentally.

Learn togetherFresh problem · seed 1235276537

What is 10 more than 227?

Let's work it out together.

Work through one checkpoint at a time. Your answer area opens after the reasoning.

Checkpoint 1

Find the place named by 10.
Checkpoint 2

Change that place by one unit.
Checkpoint 3

Keep the other place values the same unless regrouping is needed.

Your answer