Front

What is subtraction?

Back

Subtraction is taking away a number from another number. For example, 10 - 3 = 7.

Front

What is addition?

Back

Addition is putting together two or more numbers to find a total. For example, 4 + 5 = 9.

Front

What does the equal sign (=) mean?

Back

The equal sign means that the two sides of the equation are the same. For example, 2 + 3 = 5 means 2 + 3 is the same as 5.

Front

What is a word problem?

Back

A word problem is a math problem written in words that describes a real-life situation.

Front

How do you solve a word problem?

Back

To solve a word problem, read it carefully, identify the numbers and operations needed, and write an equation.

Front

What is the equation to find out how many rings Jen had at first?

Back

_______ - 5 = 7, which means Jen had 12 rings at first.

Front

If Marco has 8 apples and ends up with 13, how many apples did Jerry give him?

Back

Jerry gave Marco 5 apples.

Front

What does it mean if an equation is true?

Back

An equation is true if both sides are equal. For example, 15 - 10 = 5 is true.

Front

What is the addition fact that helps find how many toy cars Juan has left?

Back

The addition fact is 9 + 8 = 17.

Front

What is the first step in solving a subtraction problem?

Back

The first step is to identify the numbers involved in the subtraction.