Eureka Math Grade 3 Module 3

Front

What is regrouping in subtraction?

Back

Regrouping is the process of rearranging numbers to make subtraction easier, such as borrowing from the next higher place value.

Front

How do you find the total number of items when one person has fewer than another?

Back

You add the number of items the first person has to the difference between the two amounts.

Front

What is the result of 30 ÷ 6?

Back

5

Front

What is the result of 5 × 9?

Back

45

Front

If Mrs. Aquino pours 36 liters of water into 9 containers, how much water is in each container?

Back

4 liters per container.

Front

What does the term 'unknown' mean in a math problem?

Back

The 'unknown' is a value we need to find, often represented by a letter like v or z.

Front

What is the purpose of using letters in math equations?

Back

Letters represent unknown values or variables in equations.

Front

How do you solve for an unknown in a division problem?

Back

You perform the division to find the value of the unknown.

Front

What does it mean to 'find the value of the unknown'?

Back

It means to determine what number the variable represents in the equation.

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations; one can be used to check the other.