Homework question

I recieved a question about the homework packet.  I am posting the page and helpful hint incase anyone has the same question.

image1

Step 2 – color the ones with 7 ones. – color the numbers with 7 in the ones place, 17, 27, 37 etc.

Step 3 – color the numbers with 2 tens, color any number with 2 in the tens placen 20, 21, 22, 23, etc.