Arrays

Front

What is an array in mathematics?

Back

An array is a systematic arrangement of objects, usually in rows and columns, used to represent multiplication and division.

Front

How can you represent the equation 12 ÷ 4 = 3 using an array?

Back

You can represent it with an array of 3 rows and 4 columns, showing that 12 items can be evenly divided into 4 groups of 3.

Front

What is the repeated addition statement for an array with 3 rows of 4?

Back

The repeated addition statement is 4 + 4 + 4 = 12.

Front

What does the equation 2 x 4 = 8 represent in terms of an array?

Back

It represents an array with 2 rows and 4 columns, totaling 8 items.

Front

How do you calculate the total number of items in a rectangular array?

Back

Multiply the number of rows by the number of columns.

Front

What is the relationship between multiplication and arrays?

Back

Multiplication can be visualized as the total number of items in an array, where the number of rows is multiplied by the number of columns.

Front

If an array has 4 rows and 4 columns, what is the total number of items?

Back

The total number of items is 4 x 4 = 16.

Front

What is the significance of repeated addition in relation to arrays?

Back

Repeated addition is a way to express multiplication, showing how many times a number is added together to reach a total.

Front

How can you identify the dimensions of an array?

Back

The dimensions of an array are identified by the number of rows and the number of columns it contains.

Front

What is the formula for finding the area of a rectangle represented by an array?

Back

The area can be found using the formula: Area = length x width, which corresponds to rows x columns in an array.