Equal Groups and Arrays

Front

What is an equal group in multiplication?

Back

An equal group in multiplication is when you have the same number of items in each group. For example, in 3 x 4, there are 3 groups of 4 items each.

Front

What does the multiplication equation 2 x 4 = 8 represent?

Back

It represents 2 groups of 4 items, which equals a total of 8 items.

Front

What is an array in mathematics?

Back

An array is a way to arrange objects in rows and columns. For example, a 3 x 4 array has 3 rows and 4 columns.

Front

How can you represent 5 x 3 using an array?

Back

You can represent 5 x 3 with an array that has 5 rows and 3 columns, totaling 15 items.

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times. For example, 4 + 4 + 4 is the same as 3 x 4.

Front

True or False: Multiplication must have equal groups.

Back

True.

Front

What is the repeated addition equation for 6 x 3?

Back

6 + 6 + 6 = 18.

Front

How do you find the total in an array?

Back

To find the total in an array, multiply the number of rows by the number of columns.

Front

What does the equation 3 x 5 = 15 mean?

Back

It means there are 3 groups of 5 items, which equals a total of 15 items.

Front

What is the relationship between multiplication and addition?

Back

Multiplication is a faster way to add equal groups together.