Adding Positive Numbers On a Number Line

Front

What is the sum of 2 and 6?

Back

8

Front

What is the sum of 4 and 3?

Back

7

Front

What is the sum of 2 and 3?

Back

5

Front

What is the sum of 7 and 2?

Back

9

Front

What is the sum of 2 and 5?

Back

7

Front

What does the number line represent in addition?

Back

A visual representation of numbers where the distance between points indicates the sum of two numbers.

Front

How do you add two numbers on a number line?

Back

Start at the first number, then move to the right by the value of the second number.

Front

What is the commutative property of addition?

Back

The order of adding numbers does not change the sum (e.g., a + b = b + a).

Front

What is the associative property of addition?

Back

The way in which numbers are grouped in addition does not change the sum (e.g., (a + b) + c = a + (b + c)).

Front

What is a positive number?

Back

A number greater than zero.