Multiplication & Division using Arrays and Equal Groups

Front

What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is division?

Back

Division is the process of splitting a number into equal parts. For example, 12 ÷ 3 means splitting 12 into 3 equal groups, which gives 4.

Front

What does an array represent in multiplication?

Back

An array is a visual representation of multiplication. It shows objects arranged in rows and columns. For example, 3 rows of 4 objects represent 3 x 4.

Front

What is the equation for an array with 5 rows and 3 columns?

Back

5 x 3 = 15.

Front

How can you find the total number of objects in an array?

Back

Multiply the number of rows by the number of columns. For example, if there are 4 rows and 5 columns, the total is 4 x 5 = 20.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If 3 x 4 = 12, then 12 ÷ 4 = 3.

Front

What does it mean to have equal groups?

Back

Equal groups mean that each group has the same number of items. For example, if you have 4 groups of 3 apples, each group has 3 apples.

Front

What is the multiplication sentence for 2 rows of 5?

Back

2 x 5 = 10.

Front

How do you write a division sentence for an array?

Back

To write a division sentence, divide the total number of items by the number of items in one group. For example, if there are 15 items in total and 5 in each group, it is 15 ÷ 5 = 3.

Front

What is an example of a multiplication sentence?

Back

An example is 6 x 4 = 24.