This Application Problem is a part of the Lesson 3, Unit 4, Grade 1. Sue is writing the number 34 on a place value chart. She cannot remember if she has 4 tens and 3 ones or 3 tens and 4 ones. Use a place value chart to show how many tens and ones are in 34. Use a drawing and words to explain this to Sue. This problem invites students to write or discuss their understanding of tens and ones based on what they learned in Lesson 2.