Find the value of each expression mentally.

Here are the responses Kiran gave to answer some questions about the situation.

In each row, write a question that Kiran could answer, using the given information. In the last row, write a new question about the situation. Show your answer and explain your reasoning.

question	response and reasoning
1.	2 pairs of hiking boots
2.	25 years
3.	11 years 4,270 miles
4.

Elena, Noah, and Han each create a problem with an answer of 1,564.

• Elena uses multiplication.
• Noah uses multi-digit numbers and addition only.
• Han uses multiplication and subtraction.

Write a problem that each student could have written. Show that the answer to the question is 1,564.

   Solution:

   Solution:

   Solution: