Addition and Subtraction

Front

What is the result of 12 - 4?

Back

8

Front

How do you make a 10 to add 7 + 3 + 3?

Back

You can add 3 to 7 to make 10, then add the other 3 to get 13.

Front

What is the related subtraction fact for 6 + 6 = 12?

Back

12 - 6 = 6.

Front

Is 11 - 3 = 9 true or false?

Back

False.

Front

What is the sum of 6 + 6 + 2?

Back

14

Front

What is the definition of addition?

Back

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

Front

What is the definition of subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is a number line and how is it used in subtraction?

Back

A number line is a visual representation of numbers in a straight line, used to show the distance between numbers and to perform operations like subtraction.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the numbers in an addition problem does not change the sum.

Front

What is the associative property of addition?

Back

The associative property states that the way in which numbers are grouped in addition does not change the sum.