Eureka Math Grade 4 Module 3 Topic B Flashcard

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. It combines two numbers to find the total of one number added to itself a certain number of times.

Front

How do you calculate the total number of items in multiple groups?

Back

To calculate the total number of items in multiple groups, multiply the number of items in one group by the number of groups.

Front

What is a product in mathematics?

Back

A product is the result of multiplying two or more numbers together.

Front

If a pack contains 70 items and there are 5 packs, how do you find the total number of items?

Back

Multiply the number of items in one pack (70) by the number of packs (5): 70 x 5 = 350.

Front

What is the formula to find the total words read over a period of time?

Back

To find the total words read, multiply the reading speed (words per minute) by the total time (in minutes).

Front

Calculate the total words Spencer can read in 40 minutes if he reads 60 words per minute.

Back

60 words/minute x 40 minutes = 2400 words.

Front

What is the result of 4 x 80?

Back

The result of 4 x 80 is 320.

Front

What does the expression 90 x 2 represent?

Back

The expression 90 x 2 represents multiplying 90 by 2, which equals 180.

Front

How can you check if your multiplication answer is correct?

Back

You can check your multiplication answer by using division to see if dividing the product by one of the factors gives you the other factor.

Front

What is the relationship between multiplication and addition?

Back

Multiplication is a form of repeated addition; for example, 4 x 3 is the same as adding 3 four times (3 + 3 + 3 + 3).