Math Read and Write Numbers Through Ten Thousand Read and Write Numbers Through Ten Thousand Unlock the Problem The highest mountain peak in Washington is Mount Rainier. It has a height of 14,409 feet. What is the value of the digit 1 in 14,409? You can use a place value chart. The place to the left of the thousands place is the ten-thousands place. Ten Thousands Thousands Hundreds Tens Ones The value of the digit 1 in 14,409 is 1 ten thousand, 10,000. You can write this number in different ways. Word form is one way to write a number using words. Fourteen Thousand, Four Hundred Nine Expanded form is a…