Module 5 Lesson 9

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is the sum of 270 and 430?

Back

700

Front

What is the sum of 283 and 657?

Back

940

Front

What is the sum of 250 and 530?

Back

780

Front

What is the sum of 625 and 186?

Back

811

Front

What is the sum of 408 and 303?

Back

711

Front

What do we call the numbers we add together?

Back

Addends are the numbers that are added together in an addition problem.

Front

What is the symbol for addition?

Back

The symbol for addition is +.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.

Front

How do you check your addition?

Back

You can check your addition by using the inverse operation, which is subtraction.