What is special about the number zero? Think about this as you answer the questions below.
Find each sum:
What is special about adding zero? Write a sentence that begins, “When you add zero to a number, …”
Julia is thinking of two numbers
and . When she adds them together, she gets a sum of . Does that tell you anything about either of Julia’s numbers?
What did you notice about each of the answers in part (a)?
Find each product:
What is special about multiplying by zero? Write a sentence that begins, “When you multiply a number by zero, …”
When you multiply a number by zero, … the result is always