Multiplication & Division using Arrays and Equal Groups

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added 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, a 3 x 4 array has 3 rows and 4 columns.

Front

What is the equation for a 5 x 3 array?

Back

5 x 3 = 15.

Front

How can 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 is an equal group?

Back

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

Front

What multiplication sentence does this array represent? (5 rows of 4)

Back

5 x 4 = 20.

Front

How do you write a division sentence from a multiplication sentence?

Back

If you have a multiplication sentence like 4 x 5 = 20, the division sentences are 20 ÷ 4 = 5 and 20 ÷ 5 = 4.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. This means that if you know one, you can find the other.

Front

How many groups of 3 are in 12?

Back

12 ÷ 3 = 4, so there are 4 groups of 3.