Mr. Will's class Lesson 9

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 × 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What does the equation 7 × 2 represent?

Back

The equation 7 × 2 represents the total when you have 7 groups of 2. It equals 14.

Front

If Matthew organizes his baseball cards in 4 rows of 3, how many cards does he have?

Back

Matthew has 12 baseball cards because 4 × 3 = 12.

Front

What is the result of 5 × 4?

Back

The result of 5 × 4 is 20.

Front

How can you express 3 rows of 4 stickers?

Back

You can express it as the equation 3 × 4 = 12.

Front

What is the equation for 5 times 6?

Back

The equation for 5 times 6 is 5 × 6 = 30.

Front

What does the equation 2 × 4 = 8 mean?

Back

It means that if you have 2 groups of 4, the total is 8.

Front

How do you find the total number of items in rows and columns?

Back

You multiply the number of rows by the number of items in each row.

Front

What is an array in mathematics?

Back

An array is a way to organize objects in rows and columns, making it easier to count them.

Front

What is the relationship between addition and multiplication?

Back

Multiplication is a faster way to add the same number multiple times. For example, 4 + 4 + 4 = 3 × 4.