It's called a plus sign. It tells you to add the value before the sign to the value after the sign. The two values in an addition problem are called "addends" and the answer is called the "sum." You will also see two different layouts of addition problems.
Answer:
false
Step-by-step explanation:
Step-by-step explanation:
Answer:
look at the picture above
Answer: 2
Step-by-step explanation: