3rd Do I Add or Subtract?

Front

What is addition?

Back

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

Front

What is subtraction?

Back

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

Front

How do you find out how many more invitations are needed?

Back

To find out how many more invitations are needed, subtract the number of invitations already bought from the total number of people invited.

Front

If you have 326 Pokemon cards and give away some, how do you find out how many you have left?

Back

To find out how many cards you have left, subtract the number of cards given away from the total number of cards you had.

Front

What is the formula for addition?

Back

The formula for addition is: Total = Part 1 + Part 2.

Front

What is the formula for subtraction?

Back

The formula for subtraction is: Difference = Minuend - Subtrahend.

Front

How do you calculate the total number of tools after receiving more?

Back

To calculate the total number of tools, add the number of tools you had to the number of new tools received.

Front

What does it mean to compare two groups?

Back

Comparing two groups means finding out how many more or fewer items one group has than the other.

Front

How do you find out how many pencils are left after giving some away?

Back

To find out how many pencils are left, subtract the number of pencils given away from the total number of pencils you had.

Front

What is a word problem in math?

Back

A word problem is a mathematical question that is presented in the form of a story or real-life scenario.